ID | Company | Symbol | Provided by | Upvotes | 8/7/2020 |
---|---|---|---|---|---|
194 | 10X Genomics Inc | TXG | Unlucky-Prize | 1 | $96.13 |
111 | 1ST TR EXCHANGE/NASDAQ CEA CYBERSEC | CIBR | komoggmu321 | 1 | $35.40 |
176 | 2U Inc | TWOU | DickDaddy | 1 | $41.49 |
110 | AAR Corp. | AIR | paulo92834 | 4 | $18.77 |
180 | ACM Research Inc | ACMR | moveitover | 1 | $101.92 |
23 | Activision Blizzard, Inc. | ATVI | Mondanivalo | 12 | $82.47 |
8 | Advanced Micro Devices, Inc. | AMD | ArneGo, apqwer, LoveOfProfit | 13 | $84.85 |
28 | Ageagle Aerial Systems Inc | UAVS | fishkillr | 16 | $3.26 |
205 | Agraflora Organics International Inc | AGRA | spreeshark | 1 | $0.05 |
22 | Air Canada | TSE:AC | priamXus | 0 | $15.73 |
19 | Alexion Pharmaceuticals, Inc. | ALXN | fisk47 | 39 | $103.28 |
70 | Alibaba Group Holding Ltd - ADR | BABA | helio987, ScreeMart, Necessary_Club_6714 | -1 | $252.10 |
17 | Ally Financial Inc | ALLY | jcurtis44 | 1 | $21.47 |
24 | Alteryx Inc | AYX | Kme2 | 30 | $121.38 |
222 | Altimmune Inc | ALT | Spes-Caritas | 1 | $27.38 |
117 | Altria Group Inc | MO | ARGENT_UM_PUR, gm14202 | 1 | $42.17 |
143 | American Tower Corp | AMT | editviewgo | 1 | $257.61 |
175 | American Water Works Company Inc | AWK | InfamousLegato | 1 | $149.79 |
183 | Anglo Asian Mining | LON:AAZ | krenaldi1 | 1 | $161.50 |
129 | Aphria Inc | APHA | Aprhria, Bdghablig | 1 | $4.47 |
119 | Apple Inc. | AAPL | tcldstnvdw | -1 | $444.45 |
184 | Ares Capital Corporation | ARCC | ThemChecks | 1 | $14.87 |
54 | ASML Holding NV | ASML | EthosPathosLegos, earthmoonsun | 15 | $366.07 |
113 | Atlassian Corporation PLC | TEAM | shadowrckts | 1 | $170.93 |
224 | Avalara Inc | AVLR | nomdeplume_alias | 1 | $122.71 |
244 | Axon Enterprise Inc | AAXN | ansofteng | 1 | $83.88 |
150 | Aytu Bioscience Inc | AYTU | Bkzkilla2, beefy-ambulance, subaruveganguy22 | 2 | $1.38 |
236 | Banco Bbva Argentina SA | BBAR | GAV17 | 1 | $4.23 |
128 | Bank of America Corp | BAC | oobydoobydoobydoo, wrs97 | 2 | $26.11 |
247 | BELLUS Health Inc | BLU | NhatNguyen2112 | 1 | $2.74 |
29 | Berkshire Hathaway Inc. Class B | BRK.B | Jeroen_Jrn, Cuza | 31 | $209.48 |
45 | Best Buy Co Inc | BBY | 1madeamistake | 2 | $102.90 |
35 | Beyond Meat Inc | BYND | Kreisensalat, Flipside | 8 | $131.51 |
33 | BlackBerry Ltd | BB | mh1t, EthosPathosLegos | 25 | $4.84 |
208 | Blackline Inc | BL | veebeew | 2 | $79.26 |
196 | Booz Allen Hamilton Holding Corporation | BAH | i_smel_hookers | 1 | $84.67 |
75 | Boston Beer Company Inc | SAM | Top_Island | 2 | $825.79 |
114 | Brainstorm Cell Therapeutics Inc | BCLI | BigSexyTolo | 2 | $12.79 |
92 | Brookfield Asset Management Inc | BAM | duongroi, Avaronah | 2 | $32.32 |
187 | Brookfield Property Partners LP Unit | BPY | Onarco | 1 | $11.75 |
140 | Brookfield Renewable Partners LP | BEP | YourPineapplePunch | 1 | $45.25 |
227 | Cameco Corp | CCJ | jh4962772, Commandobolt, 3STmotivation | 13 | $10.37 |
109 | Canadian Solar Inc. | CSIQ | MrMineHeads, vvv561 | 6 | $25.32 |
204 | Cardlytics Inc | CDLX | whossayn, YarManYak | 2 | $66.28 |
146 | CBS Corporation Common Stock | VIAC | 1987supertramp | 1 | $26.21 |
74 | CD PROJEKT S A/ADR | OTGLY | Thtb | 8 | $28.50 |
229 | CDW common stock | CDW | plorfu | 1 | $114.77 |
95 | CEL-SCI Corporation | CVM | Golden_Pineapple | 1 | $12.19 |
242 | Chegg Inc | CHGG | Boots2243 | 1 | $86.98 |
36 | Cloudflare Inc | NET | thereisnospoongeek, olliemacg, Boots2243 | 220 | $40.06 |
80 | COLLIER CREEK H/SH CL A | CCH | RIC_FLAIR-WOOO | 5 | $13.84 |
246 | Coty Inc | COTY | NhatNguyen2112 | 1 | $4.00 |
209 | Cresco Labs Inc | CRLBF | UncleSlippyFist | 1 | $6.28 |
3 | Crispr Therapeutics AG | CRSP | emtvaikkajoku | 98 | $89.81 |
142 | Crown Castle International Corp | CCI | jkgator | 1 | $168.19 |
16 | CureVac | Pending IPO | Tangerinho | 8 | #N/A |
223 | CVS Health Corp | CVS | handsomeandsmart_ | 2 | $64.96 |
65 | Cyberark Software Ltd | CYBR | Kevenam | 2 | $110.59 |
239 | CytoDyn Inc | CYDY | dufmum | 1 | $4.79 |
165 | Daqo New Energy Corp | DQ | stonk_daddy | 1 | $122.55 |
241 | DexCom, Inc. | DXCM | InformalAid | 1 | $440.70 |
6 | Dicerna Pharmaceuticals Inc | DRNA | earthmoonsun | 7 | $21.03 |
73 | Digital Turbine Inc | APPS | toop4 | 6 | $22.59 |
130 | Docusign Inc | DOCU | h3ku, Teach-101 | 0 | $204.76 |
185 | Draftkings Inc | DKNG | boomshalock | 1 | $34.09 |
39 | Drive Shack Inc | DS | Bobjenkins97 | 2 | $1.65 |
4 | Editas Medicine Inc | EDIT | earthmoonsun | 7 | $34.71 |
145 | Edwards Lifesciences Corp | EW | TheTubbyOlive | 1 | $76.94 |
139 | EHang Holdings Ltd - ADR | EH | TheEUR0PEAN | 1 | $9.21 |
230 | Electrameccanica Vehicles Corp | SOLO | IHaveUsernameBlock | 1 | $3.07 |
118 | Elevate Credit Inc | ELVT | ScoreFuture | 1 | $2.58 |
218 | Else Nutrition Holdings Inc | BABYF | PringlesAreUs | 1 | $1.36 |
85 | Empire State Realty Trust Inc | ESRT | silverpaw1786 | 4 | $6.66 |
21 | Enphase Energy Inc | ENPH | deGoblin | 31 | $72.84 |
197 | Equinix Inc | EQIX | gce1010 | 3 | $791.70 |
86 | Essent Group Ltd | ESNT | veggie-man | 1 | $35.82 |
235 | Etsy Inc | ETSY | PeskyShart | 1 | $135.06 |
84 | Fastly Inc | FSLY | AwesomeMathUse | 3 | $79.33 |
93 | Federal National Mortgage Association | FNMA | figbuilding, onkel_axel | 2 | $2.12 |
168 | Fire & Flower Holdings Corp | TSE:FAF | tobcar | 1 | $1.01 |
207 | First Mining Gold Corp | FFMGF | RecCenterBall | 0 | $0.41 |
219 | FLIR Systems, Inc. | FLIR | zerokarma | 1 | $37.48 |
52 | Fluor Corporation (NEW) | FLR | lost_searching | 2 | $11.38 |
90 | FORUM MERGER II/SH CL A | FMCI | Mug_of_coffee | 3 | $14.53 |
81 | Franco Nevada Corp | FNV | AwesomeMathUse | 1 | $153.57 |
155 | FuelCell Energy Inc | FCEL | i-kno-nothing, dewaser | 2 | $2.68 |
98 | Games Workshop Group PLC | OTCMKTS:GMWKF | MAUSECOP, Thenattylimit | 2 | $120.95 |
115 | GameStop Corp. | GME | EmployerOfTheMonth | 2 | $4.16 |
200 | Gan Ltd | GAN | emcdeezy22 | 2 | $20.29 |
159 | General Motors Company | GM | Buttershine_Beta | -1 | $26.72 |
251 | Genius Brands International Inc | GNUS | due11 | 1 | $1.59 |
156 | GFL Environmental Inc | GFL | lenadunhamsbutthole | 1 | $21.56 |
99 | Gilead Sciences, Inc. | GILD | Leroy--Brown | 1 | $69.35 |
138 | GLB X FUNDS/HEALTH & WELLNESS T | BFIT | Venhuizer | 2 | $20.69 |
126 | GLB X FUNDS/VIDEO GAMES & ESPORTS E | HERO | sgtyzi | 1 | $26.00 |
186 | Golden Minerals Co | AUMN | YEEEEEAAAAA | 1 | $0.44 |
151 | Gran Colombia Gold Corp | TSE:GCM | Linnake | 0 | $7.46 |
67 | Grayscale Bitcoin Trust (Btc) | GBTC | asherlevi | 2 | $13.06 |
234 | Great Panther Mining Ltd | GPL | Tony0x01 | 1 | $0.93 |
152 | H&R Real Estate Investment Trust | HR.UN | CaptainCanuck93 | 0 | $10.34 |
122 | Helen of Troy Limited | HELE | aa341 | 1 | $201.26 |
55 | Hikma Pharmaceuticals Plc | HKMPF | Marvins-Room | 1 | $31.08 |
20 | Horizon Therapeutics PLC | HZNP | thesearchforanswer | 3 | $76.06 |
103 | Huntington Ingalls Industries Inc | HII | howtoreadspaghetti | 1 | $167.90 |
9 | IAC/Interactivecorp | IAC | dvdmovie1 | 36 | $133.05 |
61 | Ibio Inc | IBIO | PrairieDogger69 | 1 | $3.80 |
101 | Immunovia AB (publ) | IMMNOV | jennyther | 3 | $161.60 |
108 | Ingles Markets, Incorporated | IMKTA | kimjungoon | 1 | $42.97 |
77 | Inmode Ltd | INMD | meta-cognizant, craneman813 | 4 | $31.77 |
123 | Innovative Industrial Properties Inc | IIPR | Dalis_Ktm | 1 | $114.63 |
201 | Inseego Corp | INSG | esoccer141414 | 1 | $12.08 |
214 | Inspire Medical Systems Inc | INSP | JPINFV2 | 1 | $104.92 |
134 | Intel Corporation | INTC | ionlypwn, TitanCrasher54, niknikniknikniknik1 | 5 | $48.03 |
5 | Intellia Therapeutics Inc | NTLA | earthmoonsun | 7 | $19.83 |
164 | Intuitive Surgical, Inc. | ISRG | swalloforswallo | 2 | $685.85 |
252 | INVESCO EXCHANG/SOLAR ETF | TAN | z74al | 2 | $51.20 |
71 | InVitae Corp | NVTA | emtvaikkajoku, CrackHeadRodeo | 6 | $28.43 |
228 | ISHARES TGLB CLEAN ENERGY ET | ICLN | drheman25Q | 1 | $15.88 |
112 | John B. Sanfilippo & Son, Inc. | JBSS | chris011186 | 2 | $89.24 |
171 | JPMorgan Chase & Co. | JPM | wrs97 | 1 | $99.38 |
58 | Jumia Technologies AG - ADR | JMIA | Jerund, souptrades, 7YearOldCodPlayer, CharlieBrown364, fortnitehead | 7 | $19.26 |
144 | Kaleyra Inc | KLR | souptrades | 1 | $5.87 |
158 | KEFI Minerals plc | LON:KEFI | Scipio-Africannabis- | 1 | $1.88 |
216 | Kirkland Lake Gold Ltd | KL | Newusername | 1 | $52.58 |
238 | Kroger Co | KR | bxkrish | 1 | $35.24 |
2 | Lemonade Inc | LMND | br1ghtness, skkreet, hahadumblloyd | 4 | $66.84 |
15 | Limelight Networks, Inc. | LLNW | cyberdex, thug_funnie | 3 | $6.10 |
63 | Livongo Health Inc | LVGO | staniel_diverson, Raybay192, Drifter 1996, moveitover | 22 | $120.88 |
182 | Logitech International SA | LOGI | CharlieBrown364 | 1 | $73.03 |
217 | LONZA GRP AG/ADR | LZAGY | Fuck512 | 1 | $62.92 |
66 | Lydall, Inc. | LDL | Henisockle | 1 | $20.89 |
191 | Macerich Co | MAC | skvettlappen | 1 | $7.85 |
97 | Magnachip Semiconductor Corp | MX | samtony234 | 1 | $12.08 |
233 | Mamamancini's Holdings Inc | MMMB | Jayesslee | 1 | $1.70 |
88 | Match Group Inc | MTCH | BallinLikeImKobe24 | 1 | $115.88 |
79 | Maverix Metals Inc | MMX | AwesomeMathUse | 1 | $4.61 |
107 | Maxar Technologies Inc | MAXR | Borne2Run | 1 | $24.74 |
221 | Mediwound Ltd | MDWD | blueblade408 | 1 | $3.91 |
34 | Mercadolibre Inc | MELI | pontoumporcento | 14 | $1,193.97 |
161 | Micron Technology, Inc. | MU | Wexoch | 3 | $48.75 |
253 | Microsoft Corporation | MSFT | TBSchemer | 34 | $212.48 |
179 | Millicom International Cellular SA(SWE) | STO:TIGO-SDB | joseph460 | 1 | $245.50 |
116 | Mills Music Trust Unit | OTCMKTS:MMTRS | ARGENT_UM_PUR | 1 | $39.00 |
10 | Molson Coors Beverage Co Class B | TAP | howtoreadspaghetti | 1 | $37.27 |
170 | Morgan Stanley | MS | wrs97 | 1 | $50.35 |
127 | Naspers Limited | NPSNY | Demandredz | 1 | $34.60 |
11 | Nathan's Famous, Inc. | NATH | howtoreadspaghetti | 1 | $51.25 |
181 | NCR Corporation | NCR | IAMBEOWULFF, fistymonkey1337 | 4 | $20.11 |
211 | NESTLE S A/S ADR | NSRGY | suburban_robot | 1 | $118.47 |
124 | New Relic Inc | NEWR | Dalis_Ktm | 1 | $53.62 |
249 | New York Mortgage Trust Inc | NYMT | ToKeepAndToHoldForev | 1 | $2.77 |
162 | New York Times Co | NYT | jonhuang | 1 | $45.61 |
69 | Nio Inc - ADR | NIO | makesalotofmoney, Carrera_GT, Charlie Brown364 | 3 | $13.42 |
59 | Nokia Oyj | NOK | perfectriot, LiabilityFree | 52 | $4.98 |
37 | Novacyt SA | ALNOV | Snoopmatt | 1 | $3.60 |
254 | Nuance Communications Inc. | NUAN | IwantmyMTZ | 1 | $29.48 |
13 | NVIDIA Corporation | NVDA | TBSchemer, friedtea15 | 66 | $447.98 |
198 | NVR, Inc. | NVR | Linnake | 1 | $3,875.01 |
154 | Okta Inc | OKTA | Bcr731 | 3 | $208.23 |
160 | Opko Health Inc. | OPK | CS1026 | 1 | $5.63 |
100 | ORSTED A/S/ADR | DNNGY | BrentfordFC21 | 2 | $47.37 |
190 | Otonomy Inc | OTIC | Unlucky-Prize | 1 | $3.56 |
46 | Oxford BioMedica plc | OXB | arabidopsis | 12 | $850.00 |
121 | Pacific Ethanol Inc | PEIX | adamtejot | 1 | $2.69 |
220 | Pagerduty Inc | PD | throthrowth | 2 | $29.85 |
25 | Pan African Resources plc | PAF | Fruity_Pineapple | 2 | $26.30 |
245 | Paradox Interactive AB (publ) | OTCMKTS:PRXXF | I_worship_odin | 1 | $24.30 |
174 | Patriot One Technologies Inc | PTOTF | DanReynolds | 1 | $0.73 |
148 | Peabody Energy Corporation | BTU | aviatoraway1 | 0 | $2.52 |
237 | Peloton Interactive Inc | PTON | loosetingles | 1 | $68.30 |
188 | Penn National Gaming, Inc | PENN | Calpool | 1 | $49.00 |
87 | Pershing Square Tontine Holdings, Ltd | NYSE:PSTH-UN | 5_yr_lurker | 7 | $21.08 |
31 | Pharmacyte Biotech Inc | PMCB | DillieTheSquid | 0 | $0.01 |
47 | Pinterest Inc | PINS | EthanPhan | 10 | $34.98 |
149 | Planet 13 Holdings Inc | PLNHF | MMatter1 | 3 | $2.67 |
43 | Plug Power Inc | PLUG | lukwas_ | 4 | $11.28 |
147 | Polaris Infrastructure Inc | RAMPF | CaptainCanuck93 | 1 | $11.50 |
120 | Prologis Inc | PLD | ImPinkSnail | 5 | $105.07 |
250 | PROSHARES TULTRA MSCI JAPAN | EZJ | Necessary_Club_6714 | 1 | $32.13 |
132 | PROSHARES TULTRAPRO QQQ | TQQQ | iggy555, Guiterrezjm6 | 5 | $126.99 |
48 | Proto Labs Inc | PRLB | JEesSs | 3 | $130.13 |
166 | Purple Innovation Inc | PRPL | jloy88, CharlieBrown364, RemiMartin | 6 | $23.95 |
44 | Raytheon Technologies Corp | RTX | anon2019L | 21 | $61.23 |
210 | Razer Inc | RAZFF | ThatOneRedditBro | 1 | $0.22 |
32 | Realty Income Corp | O | bushysmalls | 5 | $62.72 |
199 | Redfin Corp | RDFN | shreddit47 | 8 | $43.69 |
206 | RENAULT S A/ADR | RNLSY | jw8700 | 1 | $5.33 |
178 | Retractable Technologies, Inc. | RVP | EmreCanPuns | 1 | $10.18 |
94 | Rigel Pharmaceuticals, Inc. | RIGL | Gay_Demons | 1 | $2.58 |
203 | Rite Aid Corporation | RAD | ManagerMilkshake | 1 | $15.05 |
12 | Rocky Mountain Chocolate Factory, Inc. | RMCF | howtoreadspaghetti | 1 | $3.20 |
163 | Schrodinger Inc | SDGR | TipasaNuptials, asianmarysue, RattleGoreBitcoin | 1 | $71.17 |
72 | Sea Ltd | SE | scatterblodded, tradeintel828384839, thug_funnie, Meymo | 16 | $129.00 |
215 | ServiceNow Inc | NOW | cookingboy | 1 | $431.21 |
189 | Shiloh Industries, Inc. | SHLO | brainbroked | 1 | $1.40 |
82 | Shopify Inc | SHOP | AwesomeMathUse | -1 | $1,053.12 |
213 | Sibanye Stillwater Ltd | SBSW | marqui4me | 1 | $11.39 |
231 | Simulations Plus, Inc. | SLP | hellohi3 | 1 | $65.83 |
173 | SiTime Corp | SITM | drbh_ | 1 | $58.92 |
248 | Six Flags Entertainment Corp | SIX | EthosPathosLegos | 1 | $18.38 |
202 | Slack Technologies Inc | WORK | AntwanDixon_ | 2 | $28.95 |
51 | SmileDirectClub Inc | SDC | meeni131 | 3 | $9.05 |
49 | Solaredge Technologies Inc | SEDG | m4r1vs | 14 | $211.47 |
27 | Sony Corp | SNE | drorhac | 13 | $80.03 |
177 | Sorrento Therapeutics Inc | SRNE | DowJonesLocker | 1 | $14.42 |
225 | SPARTAN ENERGY /SH | SPAQ | bigsexy12 | 1 | $12.36 |
40 | Spirit Airlines Incorporated | SAVE | Matous_Palecek | 0 | $17.28 |
153 | Spotify Technology SA | SPOT | _Hard4Jesus | 0 | $252.12 |
7 | Square Inc | SQ | cuti95, ConstructivePlayer, Lfastrsx, jercky, CharlieBrown364 | 21 | $147.22 |
1 | StoneCo Ltd | STNE | GromGrommeta | 73 | $49.06 |
104 | SunPower Corporation | SPWR | Hadouukken | 1 | $11.86 |
60 | Sunrun Inc | RUN | FactualNeutronStar | 2 | $46.00 |
195 | Switch Inc | SWCH | gce1010 | 1 | $18.03 |
83 | Taal Distributed Information Techs Inc | TAAL | AwesomeMathUse | 1 | $1.85 |
76 | Taiwan Semiconductor Mfg. Co. Ltd. | TSM | Paks_12345, sogladatwork, BlissfulThinkr | 13 | $80.03 |
102 | Tandem Diabetes Care Inc | TNDM | liao24 | 1 | $104.15 |
169 | Target Corporation | TGT | Kosher-Bacon | 1 | $131.75 |
26 | Tesla Inc | TSLA | Skurinator, goldcakes, redmars1234, Drortmeyer2017 | 3 | $1,452.71 |
137 | TJX Companies Inc | TJX | princess-smartypants | 3 | $55.45 |
18 | Toronto-Dominion Bank | TD | robbierox123 | 0 | $45.77 |
141 | TPI Composites Inc | TPIC | polwas | 1 | $28.81 |
53 | Trade Desk Inc | TTD | all_hail_hypno, Kay312010 | 6 | $493.20 |
106 | TransMedics Group Inc | TMDX | DropoutEngy | 1 | $18.05 |
131 | TransUnion | TRU | AndyCircus | 0 | $87.38 |
78 | Travelcenters of America Inc | TA | jk_tilt | 1 | $17.27 |
226 | Trevena Inc | TRVN | pacosteles | 1 | $2.38 |
243 | Trulieve Cannabis Corp | TCNNF | grphelps1, Cucumber_Cooling | 2 | $18.83 |
38 | Tupperware Brands Corporation | TUP | Scumbaggedfriends | 1 | $14.98 |
68 | Turtle Beach Corp | HEAR | chancsc11 | 1 | $18.37 |
62 | Twilio Inc | TWLO | MarconianRex | 8 | $249.00 |
41 | Uber Technologies Inc | Uber | DukeBD2021 | -1 | $32.90 |
96 | Unibail-Rodamco-Westfield SE | URW | eams66 | 2 | $42.44 |
125 | Universal Display Corporation | OLED | niknikniknikniknik1 | 1 | $186.51 |
64 | Valero Energy Corporation | VLO | chickenandcheesefart | 1 | $52.66 |
133 | Vanguard Total Stock Market Index Fund Admiral Shares | VTSAX | WackyBeachJustice | 1 | $82.67 |
135 | Veeva Systems Inc | VEEV | JohnSpartans | 3 | $261.22 |
193 | Ventas, Inc. | VTR | Unlucky-Prize | 1 | $41.52 |
57 | VirnetX Holding Corporation | VHC | vyts18 | 2 | $5.26 |
172 | VMware, Inc. | VMW | kingbrow2020 | 1 | $142.31 |
50 | VolitionRX Ltd | VNRX | RiDDDiK1337 | 1 | $3.35 |
91 | Waitr Holdings Inc | WTRH | exstaticj | 1 | $5.15 |
14 | Walker & Dunlop, Inc. | WD | TBSchemer | 0 | $57.70 |
167 | Walmart Inc | WMT | anthonyjh21 | 6 | $129.97 |
30 | Walt Disney Co | DIS | jadenmc2189, biz_student | 6 | $129.93 |
192 | WELL Health Technologies Corp | TSE:WELL | Unlucky-Prize, IcemanVish | 2 | $4.49 |
105 | Wells Fargo & Co | WFC | yehdhbdjdjd | 1 | $25.07 |
240 | Westinghouse Air Brake Technologies Corp | WAB | warman506 | 1 | $67.23 |
42 | Wizz Air Holdings PLC | WIZZ | Matous_Palecek | 2 | $3,412.00 |
157 | Workhorse Group Inc | WKHS | VisionsDB | 5 | $16.52 |
89 | Xebec Adsorption Inc. | XBC | Mug_of_coffee | 3 | $4.95 |
232 | Xpel Inc | XPEL | Bkazzle | 1 | $20.06 |
212 | Yeti Holdings Inc | YETI | boomwhackers | 1 | $50.40 |
136 | Zagg Inc | ZAGG | ni_shi_shei | 2 | $3.98 |
56 | Zoetis Inc | ZTS | BearBearChooey | 19 | $158.88 |
Google Auth | Authy | OTP Auth |
---|---|---|
Android | Android | N/A |
iOS | iOS | iOS |
Store | Product |
---|---|
Gyft | Gift cards for hundreds of retailers including Amazon, Target, Walmart, Starbucks, Whole Foods, CVS, Lowes, Home Depot, iTunes, Best Buy, Sears, Kohls, eBay, GameStop, etc. |
Spendabit, Overstock and The Bitcoin Directory | Retail shopping with millions of results |
ShakePay | Generate one time use Visa cards in seconds |
NewEgg and Dell | For all your electronics needs |
Bitwa.la, Coinbills, Piixpay, Bitbill.eu, Bylls, Coins.ph, Bitrefill, LivingRoomofSatoshi, Coinsfer, and more | Bill payment |
Menufy, Takeaway and Thuisbezorgd NL | Takeout delivered to your door |
Expedia, Cheapair, Destinia, Abitsky, SkyTours, the Travel category on Gyft and 9flats | For when you need to get away |
Cryptostorm, Mullvad, and PIA | VPN services |
Namecheap, Porkbun | Domain name registration |
Stampnik | Discounted USPS Priority, Express, First-Class mail postage |
Site | Description |
---|---|
WorkingForBitcoins, Bitwage, Cryptogrind, Coinality, Bitgigs, /Jobs4Bitcoins, BitforTip, Rein Project | Freelancing |
Lolli | Earn bitcoin when you shop online! |
OpenBazaar, Purse.io, Bitify, /Bitmarket, 21 Market | Marketplaces |
/GirlsGoneBitcoin NSFW | Adult services |
A-ads, Coinzilla.io | Advertising |
Project | Description |
---|---|
Lightning Network | Second layer scaling |
Blockstream, Rootstock and Drivechain | Sidechains |
Hivemind and Augur | Prediction markets |
Tierion and Factom | Records & Titles on the blockchain |
BitMarkets, DropZone, Beaver and Open Bazaar | Decentralized markets |
JoinMarket and Wasabi Wallet | CoinJoin implementation |
Coinffeine and Bisq | Decentralized bitcoin exchanges |
Keybase | Identity & Reputation management |
Abra | Global P2P money transmitter network |
Bitcore | Open source Bitcoin javascript library |
Unit | Symbol | Value | Info |
---|---|---|---|
bitcoin | BTC | 1 bitcoin | one bitcoin is equal to 100 million satoshis |
millibitcoin | mBTC | 1,000 per bitcoin | used as default unit in recent Electrum wallet releases |
bit | bit | 1,000,000 per bitcoin | colloquial "slang" term for microbitcoin (μBTC) |
satoshi | sat | 100,000,000 per bitcoin | smallest unit in bitcoin, named after the inventor |
Lition is a layer 2 blockchain infrastructure on top of Ethereum that enables commercial usage of dApps. The Lition protocol complements the Ethereum mainchain by adding features such as privacy, scalability and deletability for GDPR compliance. Everybody can choose to build on Lition without the need for permission.In addition to the above, they also have a P2P energy trading platform currently operating and is supplying green power to customers in over 1000 towns and cities across Germany. Through their power platform, Lition customers are able to save about 20% on their monthly energy bill, while producers generate up to 30% higher profits since they are cutting out the middle men.
![]() | Dragonchain Public Proposal TL;DR:Dragonchain has demonstrated twice Reddit’s entire total daily volume (votes, comments, and posts per Reddit 2019 Year in Review) in a 24-hour demo on an operational network. Every single transaction on Dragonchain is decentralized immediately through 5 levels of Dragon Net, and then secured with combined proof on Bitcoin, Ethereum, Ethereum Classic, and Binance Chain, via Interchain. At the time, in January 2020, the entire cost of the demo was approximately $25K on a single system (transaction fees locked at $0.0001/txn). With current fees (lowest fee $0.0000025/txn), this would cost as little as $625.Watch Joe walk through the entire proposal and answer questions on YouTube. This proposal is also available on the Dragonchain blog. Hello Reddit and Ethereum community!I’m Joe Roets, Founder & CEO of Dragonchain. When the team and I first heard about The Great Reddit Scaling Bake-Off we were intrigued. We believe we have the solutions Reddit seeks for its community points system and we have them at scale.For your consideration, we have submitted our proposal below. The team at Dragonchain and I welcome and look forward to your technical questions, philosophical feedback, and fair criticism, to build a scaling solution for Reddit that will empower its users. Because our architecture is unlike other blockchain platforms out there today, we expect to receive many questions while people try to grasp our project. I will answer all questions here in this thread on Reddit, and I've answered some questions in the stream on YouTube. We have seen good discussions so far in the competition. We hope that Reddit’s scaling solution will emerge from The Great Reddit Scaling Bake-Off and that Reddit will have great success with the implementation. Executive summaryDragonchain is a robust open source hybrid blockchain platform that has proven to withstand the passing of time since our inception in 2014. We have continued to evolve to harness the scalability of private nodes, yet take full advantage of the security of public decentralized networks, like Ethereum. We have a live, operational, and fully functional Interchain network integrating Bitcoin, Ethereum, Ethereum Classic, and ~700 independent Dragonchain nodes. Every transaction is secured to Ethereum, Bitcoin, and Ethereum Classic. Transactions are immediately usable on chain, and the first decentralization is seen within 20 seconds on Dragon Net. Security increases further to public networks ETH, BTC, and ETC within 10 minutes to 2 hours. Smart contracts can be written in any executable language, offering full freedom to existing developers. We invite any developer to watch the demo, play with our SDK’s, review open source code, and to help us move forward. Dragonchain specializes in scalable loyalty & rewards solutions and has built a decentralized social network on chain, with very affordable transaction costs. This experience can be combined with the insights Reddit and the Ethereum community have gained in the past couple of months to roll out the solution at a rapid pace.Response and PoCIn The Great Reddit Scaling Bake-Off post, Reddit has asked for a series of demonstrations, requirements, and other considerations. In this section, we will attempt to answer all of these requests.Live DemoA live proof of concept showing hundreds of thousands of transactionsOn Jan 7, 2020, Dragonchain hosted a 24-hour live demonstration during which a quarter of a billion (250 million+) transactions executed fully on an operational network. Every single transaction on Dragonchain is decentralized immediately through 5 levels of Dragon Net, and then secured with combined proof on Bitcoin, Ethereum, Ethereum Classic, and Binance Chain, via Interchain. This means that every single transaction is secured by, and traceable to these networks. An attack on this system would require a simultaneous attack on all of the Interchained networks. 24 hours in 4 minutes (YouTube): 24 hours in 4 minutes The demonstration was of a single business system, and any user is able to scale this further, by running multiple systems simultaneously. Our goals for the event were to demonstrate a consistent capacity greater than that of Visa over an extended time period. Tooling to reproduce our demo is available here: https://github.com/dragonchain/spirit-bomb Source CodeSource code (for on & off-chain components as well tooling used for the PoC). The source code does not have to be shared publicly, but if Reddit decides to use a particular solution it will need to be shared with Reddit at some point. ScalingHow it works & scales Architectural ScalingDragonchain’s architecture attacks the scalability issue from multiple angles. Dragonchain is a hybrid blockchain platform, wherein every transaction is protected on a business node to the requirements of that business or purpose. A business node may be held completely private or may be exposed or replicated to any level of exposure desired.Every node has its own blockchain and is independently scalable. Dragonchain established Context Based Verification as its consensus model. Every transaction is immediately usable on a trust basis, and in time is provable to an increasing level of decentralized consensus. A transaction will have a level of decentralization to independently owned and deployed Dragonchain nodes (~700 nodes) within seconds, and full decentralization to BTC and ETH within minutes or hours. Level 5 nodes (Interchain nodes) function to secure all transactions to public or otherwise external chains such as Bitcoin and Ethereum. These nodes scale the system by aggregating multiple blocks into a single Interchain transaction on a cadence. This timing is configurable based upon average fees for each respective chain. For detailed information about Dragonchain’s architecture, and Context Based Verification, please refer to the Dragonchain Architecture Document. Economic ScalingAn interesting feature of Dragonchain’s network consensus is its economics and scarcity model. Since Dragon Net nodes (L2-L4) are independent staking nodes, deployment to cloud platforms would allow any of these nodes to scale to take on a large percentage of the verification work. This is great for scalability, but not good for the economy, because there is no scarcity, and pricing would develop a downward spiral and result in fewer verification nodes. For this reason, Dragonchain uses TIME as scarcity.TIME is calculated as the number of Dragons held, multiplied by the number of days held. TIME influences the user’s access to features within the Dragonchain ecosystem. It takes into account both the Dragon balance and length of time each Dragon is held. TIME is staked by users against every verification node and dictates how much of the transaction fees are awarded to each participating node for every block. TIME also dictates the transaction fee itself for the business node. TIME is staked against a business node to set a deterministic transaction fee level (see transaction fee table below in Cost section). This is very interesting in a discussion about scaling because it guarantees independence for business implementation. No matter how much traffic appears on the entire network, a business is guaranteed to not see an increased transaction fee rate. Scaled DeploymentDragonchain uses Docker and Kubernetes to allow the use of best practices traditional system scaling. Dragonchain offers managed nodes with an easy to use web based console interface. The user may also deploy a Dragonchain node within their own datacenter or favorite cloud platform. Users have deployed Dragonchain nodes on-prem on Amazon AWS, Google Cloud, MS Azure, and other hosting platforms around the world. Any executable code, anything you can write, can be written into a smart contract. This flexibility is what allows us to say that developers with no blockchain experience can use any code language to access the benefits of blockchain. Customers have used NodeJS, Python, Java, and even BASH shell script to write smart contracts on Dragonchain.With Docker containers, we achieve better separation of concerns, faster deployment, higher reliability, and lower response times. We chose Kubernetes for its self-healing features, ability to run multiple services on one server, and its large and thriving development community. It is resilient, scalable, and automated. OpenFaaS allows us to package smart contracts as Docker images for easy deployment. Contract deployment time is now bounded only by the size of the Docker image being deployed but remains fast even for reasonably large images. We also take advantage of Docker’s flexibility and its ability to support any language that can run on x86 architecture. Any image, public or private, can be run as a smart contract using Dragonchain. Flexibility in ScalingDragonchain’s architecture considers interoperability and integration as key features. From inception, we had a goal to increase adoption via integration with real business use cases and traditional systems.We envision the ability for Reddit, in the future, to be able to integrate alternate content storage platforms or other financial services along with the token.
CostCost estimates (on-chain and off-chain) For the purpose of this proposal, we assume that all transactions are on chain (posts, replies, and votes).On the Dragonchain network, transaction costs are deterministic/predictable. By staking TIME on the business node (as described above) Reddit can reduce transaction costs to as low as $0.0000025 per transaction. Dragonchain Fees Table Getting StartedHow to run itBuilding on Dragonchain is simple and requires no blockchain experience. Spin up a business node (L1) in our managed environment (AWS), run it in your own cloud environment, or on-prem in your own datacenter. Clear documentation will walk you through the steps of spinning up your first Dragonchain Level 1 Business node. Getting started is easy...
ArchitectureDragonchain is an open source hybrid platform. Through Dragon Net, each chain combines the power of a public blockchain (like Ethereum) with the privacy of a private blockchain. Dragonchain organizes its network into five separate levels. A Level 1, or business node, is a totally private blockchain only accessible through the use of public/private keypairs. All business logic, including smart contracts, can be executed on this node directly and added to the chain. After creating a block, the Level 1 business node broadcasts a version stripped of sensitive private data to Dragon Net. Three Level 2 Validating nodes validate the transaction based on guidelines determined from the business. A Level 3 Diversity node checks that the level 2 nodes are from a diverse array of locations. A Level 4 Notary node, hosted by a KYC partner, then signs the validation record received from the Level 3 node. The transaction hash is ledgered to the Level 5 public chain to take advantage of the hash power of massive public networks. Dragon Net can be thought of as a “blockchain of blockchains”, where every level is a complete private blockchain. Because an L1 can send to multiple nodes on a single level, proof of existence is distributed among many places in the network. Eventually, proof of existence reaches level 5 and is published on a public network. API DocumentationAPIs (on chain & off) SDK Source
Nobody’s PerfectKnown issues or tradeoffs
Costs and resourcesSummary of cost & resource information for both on-chain & off-chain components used in the PoC, as well as cost & resource estimates for further scaling. If your PoC is not on mainnet, make note of any mainnet caveats (such as congestion issues).Every transaction on the PoC system had a transaction fee of $0.0001 (one-hundredth of a cent USD). At 256MM transactions, the demo cost $25,600. With current operational fees, the same demonstration would cost $640 USD. For the demonstration, to achieve throughput to mimic a worldwide payments network, we modeled several clients in AWS and 4-5 business nodes to handle the traffic. The business nodes were tuned to handle higher throughput by adjusting memory and machine footprint on AWS. This flexibility is valuable to implementing a system such as envisioned by Reddit. Given that Reddit’s daily traffic (posts, replies, and votes) is less than half that of our demo, we would expect that the entire Reddit system could be handled on 2-5 business nodes using right-sized containers on AWS or similar environments. Verification was accomplished on the operational Dragon Net network with over 700 independently owned verification nodes running around the world at no cost to the business other than paid transaction fees. RequirementsScalingThis PoC should scale to the numbers below with minimal costs (both on & off-chain). There should also be a clear path to supporting hundreds of millions of users.During Dragonchain’s 24 hour demo, the above required numbers were reached within the first few minutes. Reddit’s total activity is 9000% more than Ethereum’s total transaction level. Even if you do not include votes, it is still 700% more than Ethereum’s current volume. Dragonchain has demonstrated that it can handle 250 million transactions a day, and it’s architecture allows for multiple systems to work at that level simultaneously. In our PoC, we demonstrate double the full capacity of Reddit, and every transaction was proven all the way to Bitcoin and Ethereum. Reddit Scaling on Ethereum DecentralizationSolutions should not depend on any single third-party provider. We prefer solutions that do not depend on specific entities such as Reddit or another provider, and solutions with no single point of control or failure in off-chain components but recognize there are numerous trade-offs to considerDragonchain’s architecture calls for a hybrid approach. Private business nodes hold the sensitive data while the validation and verification of transactions for the business are decentralized within seconds and secured to public blockchains within 10 minutes to 2 hours. Nodes could potentially be controlled by owners of individual subreddits for more organic decentralization.
Usability Scaling solutions should have a simple end user experience.Users shouldn't have to maintain any extra state/proofs, regularly monitor activity, keep track of extra keys, or sign anything other than their normal transactionsDragonchain and its customers have demonstrated extraordinary usability as a feature in many applications, where users do not need to know that the system is backed by a live blockchain. Lyceum is one of these examples, where the progress of academy courses is being tracked, and successful completion of courses is rewarded with certificates on chain. Our @Save_The_Tweet bot is popular on Twitter. When used with one of the following hashtags - #please, #blockchain, #ThankYou, or #eternalize the tweet is saved through Eternal to multiple blockchains. A proof report is available for future reference. Other examples in use are DEN, our decentralized social media platform, and our console, where users can track their node rewards, view their TIME, and operate a business node. Examples: Transactions complete in a reasonable amount of time (seconds or minutes, not hours or days)All transactions are immediately usable on chain by the system. A transaction begins the path to decentralization at the conclusion of a 5-second block when it gets distributed across 5 separate community run nodes. Full decentralization occurs within 10 minutes to 2 hours depending on which interchain (Bitcoin, Ethereum, or Ethereum Classic) the transaction hits first. Within approximately 2 hours, the combined hash power of all interchained blockchains secures the transaction. Free to use for end users (no gas fees, or fixed/minimal fees that Reddit can pay on their behalf)With transaction pricing as low as $0.0000025 per transaction, it may be considered reasonable for Reddit to cover transaction fees for users. All of Reddit's Transactions on Blockchain (month) Community points can be earned by users and distributed directly to their Reddit account in batch (as per Reddit minting plan), and allow users to withdraw rewards to their Ethereum wallet whenever they wish. Withdrawal fees can be paid by either user or Reddit. This model has been operating inside the Dragonchain system since 2018, and many security and financial compliance features can be optionally added. We feel that this capability greatly enhances user experience because it is seamless to a regular user without cryptocurrency experience, yet flexible to a tech savvy user. With regard to currency or token transactions, these would occur on the Reddit network, verified to BTC and ETH. These transactions would incur the $0.0000025 transaction fee. To estimate this fee we use the monthly active Reddit users statista with a 60% adoption rate and an estimated 10 transactions per month average resulting in an approximate $720 cost across the system. Reddit could feasibly incur all associated internal network charges (mining/minting, transfer, burn) as these are very low and controllable fees. Reddit Internal Token Transaction Fees Reddit Ethereum Token Transaction Fees When we consider further the Ethereum fees that might be incurred, we have a few choices for a solution.
Bonus PointsUsers should be able to view their balances & transactions via a blockchain explorer-style interfaceFrom interfaces for users who have no knowledge of blockchain technology to users who are well versed in blockchain terms such as those present in a typical block explorer, a system powered by Dragonchain has flexibility on how to provide balances and transaction data to users. Transactions can be made viewable in an Eternal Proof Report, which displays raw data along with TIME staking information and traceability all the way to Bitcoin, Ethereum, and every other Interchained network. The report shows fields such as transaction ID, timestamp, block ID, multiple verifications, and Interchain proof. See example here. Node payouts within the Dragonchain console are listed in chronological order and can be further seen in either Dragons or USD. See example here. In our social media platform, Dragon Den, users can see, in real-time, their NRG and MTR balances. See example here. A new influencer app powered by Dragonchain, Raiinmaker, breaks down data into a user friendly interface that shows coin portfolio, redeemed rewards, and social scores per campaign. See example here. Exiting is fast & simpleWithdrawing funds on Dragonchain’s console requires three clicks, however, withdrawal scenarios with more enhanced security features per Reddit’s discretion are obtainable. Interoperability Compatibility with third party apps (wallets/contracts/etc) is necessary.Proven interoperability at scale that surpasses the required specifications. Our entire platform consists of interoperable blockchains connected to each other and traditional systems. APIs are well documented. Third party permissions are possible with a simple smart contract without the end user being aware. No need to learn any specialized proprietary language. Any code base (not subsets) is usable within a Docker container. Interoperable with any blockchain or traditional APIs. We’ve witnessed relatively complex systems built by engineers with no blockchain or cryptocurrency experience. We’ve also demonstrated the creation of smart contracts within minutes built with BASH shell and Node.js. Please see our source code and API documentation. Scaling solutions should be extensible and allow third parties to build on top of it Open source and extensible Documentation should be clear and completeFor full documentation, explore our docs, SDK’s, Github repo’s, architecture documents, original Disney documentation, and other links or resources provided in this proposal.
Third-party permissionless integrations should be possible & straightforward Smart contracts are Docker based, can be written in any language, use full language (not subsets), and can therefore be integrated with any system including traditional system APIs. Simple is better. Learning an uncommon or proprietary language should not be necessary.Advanced knowledge of mathematics, cryptography, or L2 scaling should not be required. Compatibility with common utilities & toolchains is expected. Dragonchain business nodes and smart contracts leverage Docker to allow the use of literally any language or executable code. No proprietary language is necessary. We’ve witnessed relatively complex systems built by engineers with no blockchain or cryptocurrency experience. We’ve also demonstrated the creation of smart contracts within minutes built with BASH shell and Node.js. BonusBonus Points: Show us how it works. Do you have an idea for a cool new use case for Community Points? Build it! TIMECommunity points could be awarded to Reddit users based upon TIME too, whereas the longer someone is part of a subreddit, the more community points someone naturally gained, even if not actively commenting or sharing new posts. A daily login could be required for these community points to be credited. This grants awards to readers too and incentivizes readers to create an account on Reddit if they browse the website often. This concept could also be leveraged to provide some level of reputation based upon duration and consistency of contribution to a community subreddit.Dragon DenDragonchain has already built a social media platform that harnesses community involvement. Dragon Den is a decentralized community built on the Dragonchain blockchain platform. Dragon Den is Dragonchain’s answer to fake news, trolling, and censorship. It incentivizes the creation and evaluation of quality content within communities. It could be described as being a shareholder of a subreddit or Reddit in its entirety. The more your subreddit is thriving, the more rewarding it will be. Den is currently in a public beta and in active development, though the real token economy is not live yet. There are different tokens for various purposes. Two tokens are Lair Ownership Rights (LOR) and Lair Ownership Tokens (LOT). LOT is a non-fungible token for ownership of a specific Lair. LOT will only be created and converted from LOR.Energy (NRG) and Matter (MTR) work jointly. Your MTR determines how much NRG you receive in a 24-hour period. Providing quality content, or evaluating content will earn MTR. Security. Users have full ownership & control of their points.All community points awarded based upon any type of activity or gift, are secured and provable to all Interchain networks (currently BTC, ETH, ETC). Users are free to spend and withdraw their points as they please, depending on the features Reddit wants to bring into production. Balances and transactions cannot be forged, manipulated, or blocked by Reddit or anyone elseUsers can withdraw their balance to their ERC20 wallet, directly through Reddit. Reddit can cover the fees on their behalf, or the user covers this with a portion of their balance. Users should own their points and be able to get on-chain ERC20 tokens without permission from anyone elseThrough our console users can withdraw their ERC20 rewards. This can be achieved on Reddit too. Here is a walkthrough of our console, though this does not show the quick withdrawal functionality, a user can withdraw at any time. https://www.youtube.com/watch?v=aNlTMxnfVHw Points should be recoverable to on-chain ERC20 tokens even if all third-parties involved go offlineIf necessary, signed transactions from the Reddit system (e.g. Reddit + Subreddit) can be sent to the Ethereum smart contract for minting. A public, third-party review attesting to the soundness of the design should be availableTo our knowledge, at least two large corporations, including a top 3 accounting firm, have conducted positive reviews. These reviews have never been made public, as Dragonchain did not pay or contract for these studies to be released. Bonus pointsSee above Compatibility with HSMs & hardware walletsFor the purpose of this proposal, all tokenization would be on the Ethereum network using standard token contracts and as such, would be able to leverage all hardware wallet and Ethereum ecosystem services. Other ConsiderationsMinting/distributing tokens is not performed by Reddit directlyThis operation can be automated by smart contract on Ethereum. Subreddits can if desired have a role to play. One off point burning, as well as recurring, non-interactive point burning (for subreddit memberships) should be possible and scalableThis is possible and scalable with interaction between Dragonchain Reddit system and Ethereum token contract(s). Fully open-source solutions are strongly preferredDragonchain is fully open source (see section on Disney release after conclusion). ConclusionWhether it is today, or in the future, we would like to work together to bring secure flexibility to the highest standards. It is our hope to be considered by Ethereum, Reddit, and other integrative solutions so we may further discuss the possibilities of implementation. In our public demonstration, 256 million transactions were handled in our operational network on chain in 24 hours, for the low cost of $25K, which if run today would cost $625. Dragonchain’s interoperable foundation provides the atmosphere necessary to implement a frictionless community points system. Thank you for your consideration of our proposal. We look forward to working with the community to make something great!Disney Releases Blockchain Platform as Open SourceThe team at Disney created the Disney Private Blockchain Platform. The system was a hybrid interoperable blockchain platform for ledgering and smart contract development geared toward solving problems with blockchain adoption and usability. All objective evaluation would consider the team’s output a success. We released a list of use cases that we explored in some capacity at Disney, and our input on blockchain standardization as part of our participation in the W3C Blockchain Community Group.https://lists.w3.org/Archives/Public/public-blockchain/2016May/0052.html Open SourceIn 2016, Roets proposed to release the platform as open source to spread the technology outside of Disney, as others within the W3C group were interested in the solutions that had been created inside of Disney.Following a long process, step by step, the team met requirements for release. Among the requirements, the team had to:
The Disney Open Source Committee approved the application known as OSSRELEASE-10, and the code was released on October 2, 2016. Disney decided to not issue a press release. Original OSSRELASE-10 document Dragonchain FoundationThe Dragonchain Foundation was created on January 17, 2017. https://den.social/l/Dragonchain/24130078352e485d96d2125082151cf0/dragonchain-and-disney/ |
Allows DeFi Dapps to access all Decentr’s dFintech features, including dLoan, dPay. Key innovation is that the protocols is based on a user’s ability to leverage the value of their data as exchangeable “currency”.
A tradeable unit of value that is both internal and external to the Decentr platform.A unit of conversion between fiat entering and exiting the Decentr ecosystem.A way to capture the value of user data and combines the activity of every participant of the platform performing payment (dPay), or lending and borrowing (dLend), i.e a way to peg PDV to tangible/actionable value.Method of payment in the Decentr ecosystem.A method to internally underwrite the “Deconomy.
Simon Dedic - chief of Blockfyre: https://twitter.com/scoinaldo/status/1283787644221218817?s=20https://twitter.com/scoinaldo/status/1283719917657894912?s=21
Spectre Group Pick : https://twitter.com/SPECTREGRP/status/1284761576873041920https://twitter.com/llluckyl/status/1283765481716015111?s=21
Patrons of the Moon/Lil Uzi: https://t.me/patronsofthemoon/6764
CryptoGems: https://twitter.com/cryptogems_com/status/1283719318379925506?s=09t
tehMoonwalker pick who is a TOP 5 influencer per Binance:https://twitter.com/tehMoonwalkestatus/1284123961996050432?s=20https://twitter.com/binance/status/1279049822113198080
Holochain was one of their earliest supporters and they share a deep connection (recently an AMA was conducted in their TG group): https://medium.com/@DecentrNet/decentr-holochain-ama-29d662caed03
![]() | https://preview.redd.it/b80c05tnb9e51.jpg?width=2550&format=pjpg&auto=webp&s=850282c1a3962466ed44f73886dae1c8872d0f31 submitted by hkalodner to ethereum [link] [comments] Submitted for consideration to The Great Reddit Scaling Bake-Off Baked by the pastry chefs at Offchain Labs Please send questions or comments to [[email protected] ](mailto:[email protected]) 1. Overview We're excited to submit Arbitrum Rollup for consideration to The Great Reddit Scaling Bake-Off. Arbitrum Rollup is the only Ethereum scaling solution that supports arbitrary smart contracts without compromising on Ethereum's security or adding points of centralization. For Reddit, this means that Arbitrum can not only scale the minting and transfer of Community Points, but it can foster a creative ecosystem built around Reddit Community Points enabling points to be used in a wide variety of third party applications. That's right -- you can have your cake and eat it too! Arbitrum Rollup isn't just Ethereum-style. Its Layer 2 transactions are byte-for-byte identical to Ethereum, which means Ethereum users can continue to use their existing addresses and wallets, and Ethereum developers can continue to use their favorite toolchains and development environments out-of-the-box with Arbitrum. Coupling Arbitrum’s tooling-compatibility with its trustless asset interoperability, Reddit not only can scale but can onboard the entire Ethereum community at no cost by giving them the same experience they already know and love (well, certainly know). To benchmark how Arbitrum can scale Reddit Community Points, we launched the Reddit contracts on an Arbitrum Rollup chain. Since Arbitrum provides full Solidity support, we didn't have to rewrite the Reddit contracts or try to mimic their functionality using an unfamiliar paradigm. Nope, none of that. We launched the Reddit contracts unmodified on Arbitrum Rollup complete with support for minting and distributing points. Like every Arbitrum Rollup chain, the chain included a bridge interface in which users can transfer Community Points or any other asset between the L1 and L2 chains. Arbitrum Rollup chains also support dynamic contract loading, which would allow third-party developers to launch custom ecosystem apps that integrate with Community Points on the very same chain that runs the Reddit contracts. 1.1 Why Ethereum Perhaps the most exciting benefit of distributing Community Points using a blockchain is the ability to seamlessly port points to other applications and use them in a wide variety of contexts. Applications may include simple transfers such as a restaurant that allows Redditors to spend points on drinks. Or it may include complex smart contracts -- such as placing Community Points as a wager for a multiparty game or as collateral in a financial contract. The common denominator between all of the fun uses of Reddit points is that it needs a thriving ecosystem of both users and developers, and the Ethereum blockchain is perhaps the only smart contract platform with significant adoption today. While many Layer 1 blockchains boast lower cost or higher throughput than the Ethereum blockchain, more often than not, these attributes mask the reality of little usage, weaker security, or both. Perhaps another platform with significant usage will rise in the future. But today, Ethereum captures the mindshare of the blockchain community, and for Community Points to provide the most utility, the Ethereum blockchain is the natural choice. 1.2 Why Arbitrum While Ethereum's ecosystem is unmatched, the reality is that fees are high and capacity is too low to support the scale of Reddit Community Points. Enter Arbitrum. Arbitrum Rollup provides all of the ecosystem benefits of Ethereum, but with orders of magnitude more capacity and at a fraction of the cost of native Ethereum smart contracts. And most of all, we don't change the experience from users. They continue to use the same wallets, addresses, languages, and tools. Arbitrum Rollup is not the only solution that can scale payments, but it is the only developed solution that can scale both payments and arbitrary smart contracts trustlessly, which means that third party users can build highly scalable add-on apps that can be used without withdrawing money from the Rollup chain. If you believe that Reddit users will want to use their Community Points in smart contracts--and we believe they will--then it makes the most sense to choose a single scaling solution that can support the entire ecosystem, eliminating friction for users. We view being able to run smart contracts in the same scaling solution as fundamentally critical since if there's significant demand in running smart contracts from Reddit's ecosystem, this would be a load on Ethereum and would itself require a scaling solution. Moreover, having different scaling solutions for the minting/distribution/spending of points and for third party apps would be burdensome for users as they'd have to constantly shuffle their Points back and forth. 2. Arbitrum at a glance Arbitrum Rollup has a unique value proposition as it offers a combination of features that no other scaling solution achieves. Here we highlight its core attributes. Decentralized. Arbitrum Rollup is as decentralized as Ethereum. Unlike some other Layer 2 scaling projects, Arbitrum Rollup doesn't have any centralized components or centralized operators who can censor users or delay transactions. Even in non-custodial systems, centralized components provide a risk as the operators are generally incentivized to increase their profit by extracting rent from users often in ways that severely degrade user experience. Even if centralized operators are altruistic, centralized components are subject to hacking, coercion, and potential liability. Massive Scaling. Arbitrum achieves order of magnitude scaling over Ethereum's L1 smart contracts. Our software currently supports 453 transactions-per-second for basic transactions (at 1616 Ethereum gas per tx). We have a lot of room left to optimize (e.g. aggregating signatures), and over the next several months capacity will increase significantly. As described in detail below, Arbitrum can easily support and surpass Reddit's anticipated initial load, and its capacity will continue to improve as Reddit's capacity needs grow. Low cost. The cost of running Arbitrum Rollup is quite low compared to L1 Ethereum and other scaling solutions such as those based on zero-knowledge proofs. Layer 2 fees are low, fixed, and predictable and should not be overly burdensome for Reddit to cover. Nobody needs to use special equipment or high-end machines. Arbitrum requires validators, which is a permissionless role that can be run on any reasonable on-line machine. Although anybody can act as a validator, in order to protect against a “tragedy of the commons” and make sure reputable validators are participating, we support a notion of “invited validators” that are compensated for their costs. In general, users pay (low) fees to cover the invited validators’ costs, but we imagine that Reddit may cover this cost for its users. See more on the costs and validator options below. Ethereum Developer Experience. Not only does Arbitrum support EVM smart contracts, but the developer experience is identical to that of L1 Ethereum contracts and fully compatible with Ethereum tooling. Developers can port existing Solidity apps or write new ones using their favorite and familiar toolchains (e.g. Truffle, Buidler). There are no new languages or coding paradigms to learn. Ethereum wallet compatibility. Just as in Ethereum, Arbitrum users need only hold keys, but do not have to store any coin history or additional data to protect or access their funds. Since Arbitrum transactions are semantically identical to Ethereum L1 transactions, existing Ethereum users can use their existing Ethereum keys with their existing wallet software such as Metamask. Token interoperability. Users can easily transfer their ETH, ERC-20 and ERC-721 tokens between Ethereum and the Arbitrum Rollup chain. As we explain in detail below, it is possible to mint tokens in L2 that can subsequently be withdrawn and recognized by the L1 token contract. Fast finality. Transactions complete with the same finality time as Ethereum L1 (and it's possible to get faster finality guarantees by trading away trust assumptions; see the Arbitrum Rollup whitepaper for details). Non-custodial. Arbitrum Rollup is a non-custodial scaling solution, so users control their funds/points and neither Reddit nor anyone else can ever access or revoke points held by users. Censorship Resistant. Since it's completely decentralized, and the Arbitrum protocol guarantees progress trustlessly, Arbitrum Rollup is just as censorship-proof as Ethereum. Block explorer. The Arbitrum Rollup block explorer allows users to view and analyze transactions on the Rollup chain. Limitations Although this is a bake-off, we're not going to sugar coat anything. Arbitrum Rollup, like any Optimistic Rollup protocol, does have one limitation, and that's the delay on withdrawals. As for the concrete length of the delay, we've done a good deal of internal modeling and have blogged about this as well. Our current modeling suggests a 3-hour delay is sufficient (but as discussed in the linked post there is a tradeoff space between the length of the challenge period and the size of the validators’ deposit). Note that this doesn't mean that the chain is delayed for three hours. Arbitrum Rollup supports pipelining of execution, which means that validators can keep building new states even while previous ones are “in the pipeline” for confirmation. As the challenge delays expire for each update, a new state will be confirmed (read more about this here). So activity and progress on the chain are not delayed by the challenge period. The only thing that's delayed is the consummation of withdrawals. Recall though that any single honest validator knows immediately (at the speed of L1 finality) which state updates are correct and can guarantee that they will eventually be confirmed, so once a valid withdrawal has been requested on-chain, every honest party knows that the withdrawal will definitely happen. There's a natural place here for a liquidity market in which a validator (or someone who trusts a validator) can provide withdrawal loans for a small interest fee. This is a no-risk business for them as they know which withdrawals will be confirmed (and can force their confirmation trustlessly no matter what anyone else does) but are just waiting for on-chain finality. 3. The recipe: How Arbitrum Rollup works For a description of the technical components of Arbitrum Rollup and how they interact to create a highly scalable protocol with a developer experience that is identical to Ethereum, please refer to the following documents: Arbitrum Rollup Whitepaper Arbitrum academic paper (describes a previous version of Arbitrum) 4. Developer docs and APIs For full details about how to set up and interact with an Arbitrum Rollup chain or validator, please refer to our developer docs, which can be found at https://developer.offchainlabs.com/. Note that the Arbitrum version described on that site is older and will soon be replaced by the version we are entering in Reddit Bake-Off, which is still undergoing internal testing before public release. 5. Who are the validators? As with any Layer 2 protocol, advancing the protocol correctly requires at least one validator (sometimes called block producers) that is honest and available. A natural question is: who are the validators? Recall that the validator set for an Arbitrum chain is open and permissionless; anyone can start or stop validating at will. (A useful analogy is to full nodes on an L1 chain.) But we understand that even though anyone can participate, Reddit may want to guarantee that highly reputable nodes are validating their chain. Reddit may choose to validate the chain themselves and/or hire third-party validators.To this end, we have begun building a marketplace for validator-for-hire services so that dapp developers can outsource validation services to reputable nodes with high up-time. We've announced a partnership in which Chainlink nodes will provide Arbitrum validation services, and we expect to announce more partnerships shortly with other blockchain infrastructure providers. Although there is no requirement that validators are paid, Arbitrum’s economic model tracks validators’ costs (e.g. amount of computation and storage) and can charge small fees on user transactions, using a gas-type system, to cover those costs. Alternatively, a single party such as Reddit can agree to cover the costs of invited validators. 6. Reddit Contract Support Since Arbitrum contracts and transactions are byte-for-byte compatible with Ethereum, supporting the Reddit contracts is as simple as launching them on an Arbitrum chain. Minting. Arbitrum Rollup supports hybrid L1/L2 tokens which can be minted in L2 and then withdrawn onto the L1. An L1 contract at address A can make a special call to the EthBridge which deploys a "buddy contract" to the same address A on an Arbitrum chain. Since it's deployed at the same address, users can know that the L2 contract is the authorized "buddy" of the L1 contract on the Arbitrum chain. For minting, the L1 contract is a standard ERC-20 contract which mints and burns tokens when requested by the L2 contract. It is paired with an ERC-20 contract in L2 which mints tokens based on whatever programmer provided minting facility is desired and burns tokens when they are withdrawn from the rollup chain. Given this base infrastructure, Arbitrum can support any smart contract based method for minting tokens in L2, and indeed we directly support Reddit's signature/claim based minting in L2. Batch minting. What's better than a mint cookie? A whole batch! In addition to supporting Reddit’s current minting/claiming scheme, we built a second minting design, which we believe outperforms the signature/claim system in many scenarios. In the current system, Reddit periodically issues signed statements to users, who then take those statements to the blockchain to claim their tokens. An alternative approach would have Reddit directly submit the list of users/amounts to the blockchain and distribute the tokens to the users without the signature/claim process. To optimize the cost efficiency of this approach, we designed an application-specific compression scheme to minimize the size of the batch distribution list. We analyzed the data from Reddit's previous distributions and found that the data is highly compressible since token amounts are small and repeated, and addresses appear multiple times. Our function groups transactions by size, and replaces previously-seen addresses with a shorter index value. We wrote client code to compress the data, wrote a Solidity decompressing function, and integrated that function into Reddit’s contract running on Arbitrum. When we ran the compression function on the previous Reddit distribution data, we found that we could compress batched minting data down to to 11.8 bytes per minting event (averaged over a 6-month trace of Reddit’s historical token grants)compared with roughly 174 bytes of on-chain data needed for the signature claim approach to minting (roughly 43 for an RLP-encoded null transaction + 65 for Reddit's signature + 65 for the user's signature + roughly 8 for the number of Points) . The relative benefit of the two approaches with respect to on-chain call data cost depends on the percentage of users that will actually claim their tokens on chain. With the above figures, batch minting will be cheaper if roughly 5% of users redeem their claims. We stress that our compression scheme is not Arbitrum-specific and would be beneficial in any general-purpose smart contract platform. 8. Benchmarks and costs In this section, we give the full costs of operating the Reddit contracts on an Arbitrum Rollup chain including the L1 gas costs for the Rollup chain, the costs of computation and storage for the L2 validators as well as the capital lockup requirements for staking. Arbitrum Rollup is still on testnet, so we did not run mainnet benchmarks. Instead, we measured the L1 gas cost and L2 workload for Reddit operations on Arbitrum and calculated the total cost assuming current Ethereum gas prices. As noted below in detail, our measurements do not assume that Arbitrum is consuming the entire capacity of Ethereum. We will present the details of our model now, but for full transparency you can also play around with it yourself and adjust the parameters, by copying the spreadsheet found here. Our cost model is based on measurements of Reddit’s contracts, running unmodified (except for the addition of a batch minting function) on Arbitrum Rollup on top of Ethereum. On the distribution of transactions and frequency of assertions. Reddit's instructions specify the following minimum parameters that submissions should support: Over a 5 day period, your scaling PoC should be able to handle:
We note that assuming that there are only 300,000 transactions that arrive uniformly over the 5 day period will make our benchmark numbers lower, but we believe that this will reflect the true cost of running the system. To see why, say that batches are submitted every five minutes (20 L1 blocks) and there's a fixed overhead of c bytes of calldata per batch, the cost of which will get amortized over all transactions executed in that batch. Assume that each individual transaction adds a marginal cost of t. Lastly assume the capacity of the scaling system is high enough that it can support all of Reddit's 300,000 transactions within a single 20-block batch (i.e. that there is more than c + 300,000*t byes of calldata available in 20 blocks). Consider what happens if c, the per-batch overhead, is large (which it is in some systems, but not in Arbitrum). In the scenario that transactions actually arrive at the system's capacity and each batch is full, then c gets amortized over 300,000 transactions. But if we assume that the system is not running at capacity--and only receives 300,000 transactions arriving uniformly over 5 days-- then each 20-block assertion will contain about 200 transactions, and thus each transaction will pay a nontrivial cost due to c. We are aware that other proposals presented scaling numbers assuming that 300,000 transactions arrived at maximum capacity and was executed in a single mega-transaction, but according to our estimates, for at least one such report, this led to a reported gas price that was 2-3 orders of magnitude lower than it would have been assuming uniform arrival. We make more realistic batching assumptions, and we believe Arbitrum compares well when batch sizes are realistic. Our model. Our cost model includes several sources of cost:
Our model also shows that Arbitrum can scale to workloads much larger than Reddit’s nominal workload, without exhausting L1 or L2 resources. The scaling bottleneck will ultimately be calldata on the L1 chain. We believe that cost could be reduced substantially if necessary by clever encoding of data. (In our design any compression / decompression of L2 transaction calldata would be done by client software and L2 programs, never by an L1 contract.) 9. Status of Arbitrum Rollup Arbitrum Rollup is live on Ethereum testnet. All of the code written to date including everything included in the Reddit demo is open source and permissively licensed under the Apache V2 license. The first testnet version of Arbitrum Rollup was released on testnet in February. Our current internal version, which we used to benchmark the Reddit contracts, will be released soon and will be a major upgrade. Both the Arbitrum design as well as the implementation are heavily audited by independent third parties. The Arbitrum academic paper was published at USENIX Security, a top-tier peer-reviewed academic venue. For the Arbitrum software, we have engaged Trail of Bits for a security audit, which is currently ongoing, and we are committed to have a clean report before launching on Ethereum mainnet. 10. Reddit Universe Arbitrum Rollup Chain The benchmarks described in this document were all measured using the latest internal build of our software. When we release the new software upgrade publicly we will launch a Reddit Universe Arbitrum Rollup chain as a public demo, which will contain the Reddit contracts as well as a Uniswap instance and a Connext Hub, demonstrating how Community Points can be integrated into third party apps. We will also allow members of the public to dynamically launch ecosystem contracts. We at Offchain Labs will cover the validating costs for the Reddit Universe public demo. If the folks at Reddit would like to evaluate our software prior to our public demo, please email us at [email protected] and we'd be more than happy to provide early access. 11. Even more scaling: Arbitrum Sidechains Rollups are an excellent approach to scaling, and we are excited about Arbitrum Rollup which far surpasses Reddit's scaling needs. But looking forward to Reddit's eventual goal of supporting hundreds of millions of users, there will likely come a time when Reddit needs more scaling than any Rollup protocol can provide. While Rollups greatly reduce costs, they don't break the linear barrier. That is, all transactions have an on-chain footprint (because all calldata must be posted on-chain), albeit a far smaller one than on native Ethereum, and the L1 limitations end up being the bottleneck for capacity and cost. Since Ethereum has limited capacity, this linear use of on-chain resources means that costs will eventually increase superlinearly with traffic. The good news is that we at Offchain Labs have a solution in our roadmap that can satisfy this extreme-scaling setting as well: Arbitrum AnyTrust Sidechains. Arbitrum Sidechains are similar to Arbitrum Rollup, but deviate in that they name a permissioned set of validators. When a chain’s validators agree off-chain, they can greatly reduce the on-chain footprint of the protocol and require almost no data to be put on-chain. When validators can't reach unanimous agreement off-chain, the protocol reverts to Arbitrum Rollup. Technically, Arbitrum Sidechains can be viewed as a hybrid between state channels and Rollup, switching back and forth as necessary, and combining the performance and cost that state channels can achieve in the optimistic case, with the robustness of Rollup in other cases. The core technical challenge is how to switch seamlessly between modes and how to guarantee that security is maintained throughout. Arbitrum Sidechains break through this linear barrier, while still maintaining a high level of security and decentralization. Arbitrum Sidechains provide the AnyTrust guarantee, which says that as long as any one validator is honest and available (even if you don't know which one will be), the L2 chain is guaranteed to execute correctly according to its code and guaranteed to make progress. Unlike in a state channel, offchain progress does not require unanimous consent, and liveness is preserved as long as there is a single honest validator. Note that the trust model for Arbitrum Sidechains is much stronger than for typical BFT-style chains which introduce a consensus "voting" protocols among a small permissioned group of validators. BFT-based protocols require a supermajority (more than 2/3) of validators to agree. In Arbitrum Sidechains, by contrast, all you need is a single honest validator to achieve guaranteed correctness and progress. Notice that in Arbitrum adding validators strictly increases security since the AnyTrust guarantee provides correctness as long as any one validator is honest and available. By contrast, in BFT-style protocols, adding nodes can be dangerous as a coalition of dishonest nodes can break the protocol. Like Arbitrum Rollup, the developer and user experiences for Arbitrum Sidechains will be identical to that of Ethereum. Reddit would be able to choose a large and diverse set of validators, and all that they would need to guarantee to break through the scaling barrier is that a single one of them will remain honest. We hope to have Arbitrum Sidechains in production in early 2021, and thus when Reddit reaches the scale that surpasses the capacity of Rollups, Arbitrum Sidechains will be waiting and ready to help. While the idea to switch between channels and Rollup to get the best of both worlds is conceptually simple, getting the details right and making sure that the switch does not introduce any attack vectors is highly non-trivial and has been the subject of years of our research (indeed, we were working on this design for years before the term Rollup was even coined). 12. How Arbitrum compares We include a comparison to several other categories as well as specific projects when appropriate. and explain why we believe that Arbitrum is best suited for Reddit's purposes. We focus our attention on other Ethereum projects. Payment only Rollups. Compared to Arbitrum Rollup, ZK-Rollups and other Rollups that only support token transfers have several disadvantages:
While it's ultimately up to the judges’ palate, we believe that Arbitrum Rollup is the bakeoff choice that Reddit kneads. We far surpass Reddit's specified workload requirement at present, have much room to optimize Arbitrum Rollup in the near term, and have a clear path to get Reddit to hundreds of millions of users. Furthermore, we are the only project that gives developers and users the identical interface as the Ethereum blockchain and is fully interoperable and tooling-compatible, and we do this all without any new trust assumptions or centralized components. But no matter how the cookie crumbles, we're glad to have participated in this bake-off and we thank you for your consideration. About Offchain Labs Offchain Labs, Inc. is a venture-funded New York company that spun out of Princeton University research, and is building the Arbitrum platform to usher in the next generation of scalable, interoperable, and compatible smart contracts. Offchain Labs is backed by Pantera Capital, Compound VC, Coinbase Ventures, and others. Leadership Team Ed Felten Ed Felten is Co-founder and Chief Scientist at Offchain Labs. He is on leave from Princeton University, where he is the Robert E. Kahn Professor of Computer Science and Public Affairs. From 2015 to 2017 he served at the White House as Deputy United States Chief Technology Officer and senior advisor to the President. He is an ACM Fellow and member of the National Academy of Engineering. Outside of work, he is an avid runner, cook, and L.A. Dodgers fan. Steven Goldfeder Steven Goldfeder is Co-founder and Chief Executive Officer at Offchain Labs. He holds a PhD from Princeton University, where he worked at the intersection of cryptography and cryptocurrencies including threshold cryptography, zero-knowledge proof systems, and post-quantum signatures. He is a co-author of Bitcoin and Cryptocurrency Technologies, the leading textbook on cryptocurrencies, and he has previously worked at Google and Microsoft Research, where he co-invented the Picnic signature algorithm. When not working, you can find Steven spending time with his family, taking a nature walk, or twisting balloons. Harry Kalodner Harry Kalodner is Co-founder and Chief Technology Officer at Offchain Labs where he leads the engineering team. Before the company he attended Princeton as a Ph.D candidate where his research explored economics, anonymity, and incentive compatibility of cryptocurrencies, and he also has worked at Apple. When not up at 3:00am writing code, Harry occasionally sleeps. |
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