Polychain Capital — 2018 Investments
8 investments dated 2018 · listed companies and verified rows first · show all
Difinity develops medical devices and technologies focused on emergency medication delivery and needle safety.
HealthtechMedical DevicesVancouver, CA
David Kim(CEO)inDamien Tak(CTO)Larry Murphy(Chief Regulatory Officer)in
Co-investorsScaleGood Fund LP (powered by TELUS)Startup TNTUCeed Funds
Handshake is a decentralized, peer-to-peer naming and certificate authority protocol that serves as an alternative to centralized DNS systems and certificate authorities.
Crypto & Web3Data & InfrastructureDeveloper Tools
Joseph Poon(Co-Founder / Protocol Developer)Andrew Lee(Co-Founder)Christopher Jeffrey(Co-Founder / CTO)Tieshun Roquerre(CEO, Namebase (leading Handshake domain registrar/exchange))
BoardMike Duboe(Venture Partner, Greylock Partners (investor listed on Greylock's Handshake portfolio page))in
Co-investors0 Venturesa16z cryptoAmentum Investment ManagementAusum VenturesD1 VenturesDraper Associates+16 more
The Internet Computer is a serverless "sovereign cloud" run by independent hardware operators, hosting tamperproof WebAssembly/Motoko software and multi-blockchain digital-asset APIs.
AI & Machine LearningCloud ComputingCrypto & Web3
Dominic Williams(Founder)
Co-investorsAllusionDraft Ventures LlcAndreessen Horowitz
Keep is a privacy-focused infrastructure project in the crypto sector that enables secure computation and data privacy for blockchain applications.
Crypto & Web3Data & Infrastructure
Corbin Pon(Founder)Matt Luongo(Founder)
Co-investorsAndreessen HorowitzBlockchain CoinvestorsCoinbase VenturesDigital StrategiesFenbushi CapitalMulticoin Capital+6 more
Ethereum-compatible network with a leaderless consensus designed to run on an uncapped number of independent nodes
Jan Xie(Founder)inDaniel Lv(Founder)Kevin Wang(Founder)inTerry Tai(Founder)
Co-investors1k(x)1kxBlockchain CapitalBlockchain CoinvestorsMulticoin CapitalStruck Capital+9 more
Rare Bits is a San Francisco peer-to-peer marketplace for buying, selling and auctioning Ethereum-based crypto-collectibles (NFTs).
San Francisco, US
Amitt Mahajan(Executive Officer, Director)inDavid Pekar(Executive Officer, Director)
BoardNabeel Hyatt(Director)in
Co-investorsBlockchain CoinvestorsAccelAditya AgarwalAvichal GargBenchmarkCaffeinated Capital+16 more
Israeli-founded blockchain project building a permissionless, Proof of Space-Time cryptocurrency network run on home PCs.
Aviv Eyal(Founder)inTomer Afek(Founder)
Co-investorsArrington CapitalCoinbase Venturesgumi IncParadigm1kxArrington XRP Capital+3 more
Other
Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.
Rows marked “SEC filing” are inferred from directors named on the company's SEC Form D — public regulatory data, not a portfolio list published by the firm.























