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LegendURLStatusGood?Launch yearShut down date & reasonLocationRuns on blockchainArea of focusTypeComment
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Iowa electronic marketshttps://iemweb.biz.uiowa.edu/Up and runningYes1988USNoPoliticsPublicInitial date uncertain; earliest reference: https://iemweb.biz.uiowa.edu/media/accuracy.html
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UBC Election Stock Markethttp://esm.ubc.ca/Transformed19932008: succeeded by https://predictionmarkets.ca/about.phpCanadaNoCanadian electionsPublic
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Hollywood Stock Exchangehttps://www.hsx.com/Up and runningYes1996United StatesNoFilm (box office, oscars, etc.)Public
Wikipedia article: https://en.wikipedia.org/wiki/Hollywood_Stock_Exchange. Earliest source: https://archive.nytimes.com/www.nytimes.com/library/tech/99/02/circuits/articles/25ebay.html Appears to have used or considered using play money in the past, but no longer
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IntradeShut down19992013: legal problems, financial problemsIreland, but majority of customers from USNoPublicCEO died climbing mount everest.
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NewsFutureshttps://en.wikipedia.org/wiki/NewsFutures Transformed20002010: becomes LumenogicUS/FranceNoPublicPlay money with prizes. Evolved into Lumenogic
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Foresight Exchangehttp://ideosphere.com/Up and runningMaybe2000NoPublicLongest running prediction-market. Play money.
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Betfairhttps://www.betfair.com/exchange/plus/Up and runningYes2000UK (Malta)NoSportsPublic
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Usifexhttps://web.archive.org/web/20061230211002/http://www.usifex.com/if/source.htmlShut down20002000?NoPublicTimeline unclear
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Policy Analysis Markethttp://mason.gmu.edu/~rhanson/policyanalysismarket.htmlShut down20012003Cancelled by DoD following media controversy on July 29, 2003USNoPublic
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TradeSportshttps://www.tradesports.com/supportShut down20022015: legal problems, financial problemsUSNoFantasy sports. "Trade in a rich set of political futures, financial contracts, current events, sports and entertainment."PublicOrginal archive link https://web.archive.org/web/20020326174230/https://www.tradesports.com/ Besides sports, it also had a market on whether Saddam Hussein would be captured or killed, per "The Magic and Science of Prediction Markets", California Management Review, Teck-Hua Ho and Kay-Cut Chen, and "a new security that would pay $100 if the head of DARPA, Admiral John Poindexter, was ousted by the end of August 2003", per Prediction Markets. Journal of Economic Perspectives—Volume 18, Number 2—Spring 2004 —Pages 107–126
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Net Exchangenex.comTransformed~2000Unknown; page redirects to a derivatives exchangeUSNoMentioned by Hanson as one of the bidders in a DARPA program (http://mason.gmu.edu/~rhanson/policyanalysismarket.html)
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Austrian Electronic MarketShut down~2000UnknownAustriaNoMentioned in Prediction Markets. Journal of Economic Perspectives—Volume 18, Number 2—Spring 2004 —Pages 107–126, modelled after the Iowa Electronic Markets
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Neoteric Technologies (Neotek)www.neotek-al.comUnknown~2000Lack of successUSNoMentioned by Hanson as one of the bidders in a DARPA program (http://mason.gmu.edu/~rhanson/policyanalysismarket.html)
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NoscoShut down~2000sEarly 2000s; existence only known from mentions in the academic literatureMay have had something to do with predictions in the past, now organizations by that name seem to be just another consultancy.
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Economic Derivativeshttp://economicderivatives.com/Transformed2002Transformed into the general derivatives industryUSNoEconomic variables (employment, retail sales, industrial production, inflation, consumer sentiment and economic growth)Launched by Goldman Sachs in collaboration with Deutsche Bank. https://web.archive.org/web/20021017071757/http://www.gs.com/econderivs/
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Pro:konshttp://www.prokons.com/prediction-marketsUp and runningProbably not2002NoPrivatePM as a service.
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BlogSharesShut down20032013?UKNoIndividual blogsPublic
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Nadexhttps://www.nadex.com/Up and runningYes2004USNoFinancePublicBinary options
Had legal problems and was disapproved by CFTC order in 2012: Order Prohibiting the Listing or Trading of Political Event Contracts (April 2, 2012), available at
http://www.cftc.gov/ucm/groups/public/@rulesandproducts/documents/ifdocs/nadexorder040212.pdf. The
disapproved Nadex contracts were binary option contracts that would have paid out based upon the results of various
U.S. federal elections in 2012.
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Pinnacle sportshttps://www.pinnacle.com/en/Up and runningProbably not2004NoGamblingPublicMentioned by Zvi on https://thezvi.wordpress.com/2018/07/26/prediction-markets-when-do-they-work/ "There are markets at PredictIt and BetFair and Pinnacle Sports, and there used to be relatively deep markets at InTrade. These markets matter enough to get talked about and attract some money when they involve major events like presidential elections, but tend to be quite pathetic for anything less than that."
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Nimanixhttps://web.archive.org/web/20061124001100/http://www.nimanix.com/Shut down20042016IsraelNoPrivateTimeline unclear
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Inkling marketswww.inklingmarkets.comTransformed20052015: subsumed into Cultivate Labs, by the same foundersUSNoBusinessPrivateSubsumed into Cultivate Labs, by the same founders
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Consensus pointhttp://www.consensuspoint.com/Up and runningProbably not2006USNoBusinessPrivateAssociates itself with Robin Hanson.
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WeatherBillhttp://blog.oddhead.com/2008/08/19/weatherbill-combinatorial-prediction-market/Transformed20062013: Sold to MonsantoNoWeather insurancePublichttps://en.wikipedia.org/wiki/The_Climate_Corporation
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Bet2givehttps://web.archive.org/web/20110410114442/https://bet2give.com/b2g/index.htmlShut down20072012: Not popular enoughUS/FranceNoPublicAll payouts to winners charity of choice. Owned by NewsFutures.
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AskMarketshttps://web.archive.org/web/20170208003527/http://www.askmarkets.com/Shut down20072017NoPublicTimeline unclear
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iPredictShut down20082016: legal problemsNew ZealandNoPublic
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FantasySCOTUShttps://fantasyscotus.net/Up and runningYes2009United StatesNoUS Supreme Court DecisionsPublicBeat GJOpen on 2019 decisions. Not real money
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Lumenogichttp://www.lumenogic.comTransformed2010US/FranceNoBusinessPrivateTransformed into Hypermind
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DAGGRE/SciCastShut down20112015, closed when IARPA funding finished -- didn't find a transition partner.PublicPlay money with occasional cash prizes (some substantial). After closing the engine has been used in a startup, and about to be used in the replication markets project.
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KENFORXhttp://www.kenforx.com/enUp and runningProbably not2006/2011GermanyNoPrivateWebsite registration from whois data is 2011, company data refers to https://de.linkedin.com/company/kenforx-gmbh.
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Auguriushttps://angel.co/auguriusShut down20122014; lack of successVenezuelaNoBothIs gone, only mention remains the founder's linkedin:
https://gt.linkedin.com/in/leorodrigueznet/es
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Assassination Marketassmkedzgorodn7o.onionUnknown2013UnknownUnknown (Tor)NoAssassinationsPublicEthically repugnant.Date sourced from https://en.wikipedia.org/wiki/Assassination_market
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Predictioushttps://www.predictious.com/Shut down20132021IrelandNoPublicLiquidity seems crazy lowhttps://twitter.com/predictious?lang=en
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Sauder School of Business Prediction Marketshttps://predictionmarkets.ca/Up and runningProbably not2013CanadaNoPolitical and economicPublic
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BitBethttp://www.bitbet.com/Unknown2013Website is up, but may not be functionalInternationalYesCasino, sports, racesPublicWebsite is still up, but may not be functional. May be a scam
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Hivemindhttps://hvmd.io/agoraUp and runningMaybe2014UKNoInfrastructure for businessesPrivateStarted out as company internal, was spun out
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Hypermindhttp://www.hypermind.comUp and runningKinda2014US/FranceNoBothPlay money, but real payouts according to a score-board. Owned by Lumenogic. Recently, contests have been sponsored by OpenPhilanthropy.
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PredictIthttps://www.predictit.org/Up and runningYes2014New ZealandNoPoliticsPublic
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Fairlayhttp://fairlay.com/Up and runningMaybe2014Costa RicaYesPublic
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ZenTradehttps://www.crunchbase.com/organization/zentrade#section-overviewShut down20142016?NoPublicUses BTC for denomination
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Microsoft Prediction Labhttps://prediction.microsoft.com/Shut down20142016. Shutdown reason unclearNoPublicBuilding the platform seems to have been outsourced: https://www.insight.com/en_US/learn/content/2017/09132017-microsoft-prediction-lab.html, https://blogs.windows.com/devices/2014/11/10/data-driven-crystal-ball-microsoft-prediction-lab/
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The Science Prediction Markets Projecthttps://www.citationfuture.comUp and runningMaybe2015NoSciencePublicRan 4x so far, from 2015, and results published in 4 papers. Real-money but fixed starting amount.
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Almanishttps://www.almanisprivate.comUp and runningMaybe2015NoPrediction markets as a servicePrivateUnclear how it compares to other services, like Hypermind or Superforecasters. A project of www.dysruptlabs.com
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Predictfulhttp://web.archive.org/web/20161107041811/http://www.predictful.com/Shut down20152016, ??US, GermanyNoBusinessBothB2B
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Cultivate Labshttps://www.cultivatelabs.com/Up and runningYes2015USNoBusinessPrivatePlay money. They run the Good Judgment Open and CSET-Foretell platforms
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Pivitpivit.ioUnknown20152018NoFantasy SportsPublic
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Hivemindhttp://bitcoinhivemind.com/Shut down20152016: never got out of betaYesPublicNever got out of beta; github repository not active. https://github.com/bitcoin-hivemind/hivemind
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Gnosishttps://gnosis.pm/
https://omen.eth.link/ 		Up and running~2016~2021; Gnosis transitioned to being a DAO, and Omen, its prediction market platform, Omen, its actual prediction market, is seeing little volume but is not actually dead yet.?YesPublicStart data uncertain; earliest reference by looking up gnosis.pm on archive.org. It was in beta for a long time.
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Endor protocol?https://www.endor.com/protocolUp and runningProbably not2016
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Bodhihttp://www.bodhi.network/Transformed2017ChinaYesPublic
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Stoxhttps://www.stox.com/en/Pre-launch20172018GibraltarYesPublicEternal beta; roadmap not updated since 2018
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Degenshttps://degens.com/Up and runningMaybe2017USYesSportsPublicEthereum. Seems to have an old but functional interface. Might be a scam.
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Delphi marketshttps://delphimarkets.tumblr.com/Shut down20172017: Founder conflicts?YesPublicMajority of team moved to Delphi systems
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Delphyhttps://delphy.org/Up and runningNo2017China(?)YesPublic
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Enjinhttps://www.enjin.com/Unknown2017<2021YesMinecraftPublicHanson wrote about it http://www.overcomingbias.com/2017/09/prediction-markets-update.html. It's not exactly a prediction market, but by issuing their own coin, transactions in the coin are predictions on the future relative value of the assets traded. Current website doesn't mention that functionality, though
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Atlaspredicthttps://atlaspredict.com/Shut down20172019. Unknown, may have never actually launchedUnited StatesNoPublic
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Augurhttps://augur.net/Up and runningKinda2018Estonia(?)YesPublic
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Winton Capital Climate Change Markethttps://www.climatepredictionmarket.com/Shut down20182019UKNoClimatePublicPlay-money, but real money payouts to winners. Write-up of first round here: https://medium.com/hvmd/hivemind-prediction-markets-case-study-the-winton-climate-prediction-market-a80f8a3a8dfe
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PredictionMarkthttps://predictionmarkt.com/Up and running2018NoPublicUses ETH for demonimation, not sure whether it's a scam
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Amoveo Bookhttps://amoveobook.com/Shut down2018YesInsurancePublicAmoveo was a blockchain started by estranged Augur co-founder. See also https://www.reddit.com/r/Amoveo/; https://github.com/zack-bitcoin/amoveo; https://amoveo.io/
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Veilhttps://veil.coShut down2019N/ACayman Islands (parent co in US)Yescrypto, entertainment, sportsPublicBuilt using Augur and Ethereum blockchain, launch announcement: https://medium.com/veil-blog/introducing-veil-649036f9d492. Shutdown annoucement: https://medium.com/veil-blog/next-steps-for-veil-133777c4a774
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Midnitehttps://www.midnite.com/Up and runningMaybe2019NoE-SportsPublic
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Replication Marketshttps://www.replicationmarkets.com/Up and runningYes2019United StatesNoReplication in the social sciencesPublic
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Futuurhttps://futuur.com/Up and runningMaybe2019Curaçao, NetherlandsYesPolitics, miscPublicUnclear what process Bitcoin plays
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Omenhttps://omen.eth.link/Up and runningNo2020United StatesYescrypto, politics, broadPublicAims to compete with Augur.
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Corona Information marketscoronainformationmarkets.comUp and runningNo2020United StatesYesCoronavirusPublicUsing Omen (see below). Site exists, but unclear if active as of August 2020 due to high eth fees
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Free Idea Futureshttps://freeideafutures.herokuapp.com/predictions/Up and runningNo2020United StatesNoPublicBased on an idea by Paul Christiano, hasn't seemed to gain traction. https://www.lesswrong.com/posts/sLbS93Fe4MTewFme3/an-online-prediction-market-with-reputation-points
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Flying Foxhttps://github.com/BumblebeeBat/FlyingFoxTransformed2020Difficult to fix security flaw and internal disagreements; work was moved to
https://github.com/zack-bitcoin/amoveo		YesPublic
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Prediqthttps://prediqt.everipedia.org/
prediqt.io		Up and runningNo2020DecentralizedYesVarious; presidential electionsPublicLow volumes, misleading labels for those volumes.
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Catniphttps://catnip.exchange/Shut downMaybe2020UnknownYesVarious; presidential electionsPublicInterface for Augur on the main Ethereum chain, with curated markets. Was the new hot thing for a while, until Ethereum gas costs rose
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Polymarketpolymarket.comUp and runningYes2020USYesVarious; sports, politicsPublic
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FTXftx.com/Up and runningYes2020EuropeYesCryptocurrency derivatives, miscPublicFinancial services, but also has misc contracts, like TRUMPFEB, or on Olympic Games
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CrowdWorxhttps://www.crowdworx.com/prediction-market-software-consulting-companies/Up and runningProbably not<= 2020Germany, PolandNoBusinessPrivateCould email them about timelines
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Prosperhttps://prosper.so/Pre-launch>.=2021USYesCryptocurrency predictionsPublicBinance's cash grab on the prediction market front, but nobody likes Binance.
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Polkamarketshttps://www.polkamarkets.com/Pre-launch>.=2021USYesEntertainmentPublicSeems to be a clone of polymarket on the Polkadot blockchain
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Kalshihttps://kalshi.com/Up and runningYes2021USNoGeneralPublicMain selling point seems to be regulatory compliance. Does not allow for leverage.
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Pulse Marketshttps://pulsemarket.eth.linkUp and runningNo2021YesSportsPublic
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WINGS DAO Price Discovery & Promotion Pre-Betahttps://www.wings.ai/#!/home/discoverUp and runningNo<2021YesICOsPublicSeems kind of dead, but website is still up
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Hedghog marketshttps://twitter.com/HedgehogMarketUp and running>=2021Yes
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Insight Predictionhttps://insightprediction.com/Up and running>=2021United States?Public
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sx.bethttps://sx.bet/Up and runningNo2022Non-USYesSportsPublicOnly sports. On a "Polygon layer 2", which at first glance appears to be kinda dumb.
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Vanderbilt Climate Change Prediction Markethttps://www.vanderbilt.edu/provost/2021/vanderbilt-climate-change-prediction-market/#gsc.tab=0Unknown2021Never launchedUSNoClimate ChangePublicArchived at: https://web.archive.org/web/20210220190042/https://www.vanderbilt.edu/provost/2021/vanderbilt-climate-change-prediction-market/
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Delphi systemshttps://delphi.systems/Pre-launch?YesPublicPrimarily focuses on oracles, not prediction markets. See: https://medium.com/@Delphi_Markets/the-new-delphi-fc2333bc84f3
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Popular science prediction market
https://web.archive.org/web/20070726103038/http:/ppx.popsci.com/
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GoogleShut downUnknownSingle point of failure: evangelising employee left (??)Company internalTimeline needed?
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NokiaShut downUnknownGermanyNoCompany internalUsed the software package Gexid by Bernd Ankenbrand
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Electronic Arts (Xpress)Shut downUnknownNoCompany internal
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This list is being mantained by Nuño Sempere, based on earlier work by Jacob Lagerros (who does not actively maintain it). To propose a new market, leave a comment
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*APs*
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--populate token and open source sections