/Investor DB

Castle Island Ventures — Full Portfolio

74 tracked investments · listed companies and verified rows first

Moonwalkmoonwalk.fit✓ verified

Moonwalk is a fitness accountability app built on the Solana blockchain where users pool crypto with friends, set step-based goals tracked via fitness apps, and redistribute deposits between participants based on who meets the goals.

Crypto & Web3Sports TechWellness & Fitness

Nom(Co-Founder)kw(Co-Founder)Swol Sol(Co-Founder)

Co-investorsFramework VenturesMonadMulticoin CapitalSolana FoundationSolana LabsFlowdesk+1 more

Phylaxphylax.systemsin𝕏Seed · Nov 2024 · $5M✓ verified

Phylax builds the Credible Layer, a policy engine that lets on-chain protocols declare states they must never reach and enforces circuit breakers that reject transactions crossing those limits.

Crypto & Web3CybersecurityEnterprise SoftwareNew York, US

Odyssefs Lamtzidis(Executive Officer, Director)Evangelos Ntomprozis(Executive Officer)

Co-investorsBankless VenturesBreedFigmentHash3 CapitalBreed VCFigment Capital+2 more

Sealancesealance.ioin𝕏✓ verified

Sealance builds The Sealance Trust Platform, a compliance and identity-verification system that uses zero-knowledge proofs and applied cryptography to enable privacy while enforcing regulatory compliance for the cryptocurrency industry.

AI & Machine LearningCrypto & Web3CybersecurityFintech

Shlomit Azgad-Tromer(Co-founder)inMatthew Green(Co-founder)inEran Tromer(Co-founder)in

Co-investorsFireblocksRibbit CapitalCoinbase VenturesDigital Currency GroupGalaxy VenturesGemini Frontier Fund+1 more

XFXxfx.ioMar 2026 · $17M✓ verified

XFX operates a liquidity layer that provides unified fiat and stablecoin liquidity with intelligent routing and near-instant settlement, letting institutions trade across fiat and stablecoin pairs without pre-positioning capital.

Crypto & Web3Data & InfrastructureFintechMiami, US

Santiago Alvarado(Co-founder & CEO)in

Co-investorsHaun VenturesOak HC/FTCoinbase VenturesMAYA CapitalMAYA Capital VenturesPaxos

Coin Metricscoinmetrics.ioin𝕏Oct 2023SEC filingmedium confidence

Coin Metrics provides market and on-chain data, reference rates, and indexes for crypto and digital assets, delivered to institutional investment teams via APIs.

Crypto & Web3Data & InfrastructureFintechBoston, US

Tim Rice(Founder)inAleksei Nokhrin(Founder)Alexander Bich(Founder)Jacob Franek(Founder)

BoardMathew S. McDermott(Director)Sean Judge(Director)in

Board seatNic Carter· per SEC Form D · $6.7M raise · filed Oct 2023

Co-investorsAcrew CapitalBlockchain CoinvestorsCoinbase VenturesCollab+CurrencyCommunitas Capital PartnersDigital Currency Group+10 more

Cyclopscyclops.ioin𝕏Jul 2026 · $20M

Cyclops is a unified crypto and stablecoin platform built specifically for payments companies, combining licensing, custody, compliance, and 24/7 settlement into a single integration.

Crypto & Web3FintechSaaSMiami, US

Alex Wilson(Founder)in

Board seatSean Judge· per SEC Form D

Co-investorsF-Prime CapitalNava VenturesCircle & Co.Coinbase Ventures

Parry Labs Holdings, LLCparrylabs.cominNov 2024SEC filingmedium confidence

Parry builds integrated mission systems combining software, hardware, and AI-enabled autonomy that operate across platforms and environments without requiring custom integration.

AI & Machine LearningDeep TechDefense TechEnterprise SoftwareRoboticsAlexandria, US

Jon Pilon(Executive Officer)inAydin Mohtashamian(Executive Officer)inJohn D Parkes(Executive Officer, Director)in

BoardRobert Miller(Director)David Gross(Director)

Board seatGus Coldebella· per SEC Form D · $90.7M raise · filed Nov 2024

Co-investorsTeamworthy VenturesTrue Ventures

Surussurus.ioin𝕏Mar 2025SEC filingmedium confidence

Surus is a financial infrastructure platform offering qualified custody, reserve management, and token issuance for digital asset builders, backed by its own North Carolina-chartered trust company.

Crypto & Web3Data & InfrastructureFintechWashington, US

Bradley Gibson(Chief Technology Officer)inBethany Wheeler(Chief Trust Officer)inJennifer Hoopes(Chief Legal Officer)inRachel Trujillo(Chief Compliance Officer)inPatrick Murck(Founder & CEO)in

Board seatNic Carter· per SEC Form D · $10.6M raise · filed Mar 2025

Co-investorsFinancial Venture StudioProtagonistRestive Ventures

Alkimiyaalkimiya.ioJan 2023 · $7.2M

A DeFi protocol creating a marketplace for blockspace.

Co-investorsBODLCircle VenturesCoinbase Ventures1kxDragonflyRobot Ventures+1 more

Alpen Labsalpenlabs.ioin𝕏Jan 2025 · $8.5M

Alpen Labs builds a Bitcoin layer-2 network that enables financial applications through a ZK rollup with optimistic bridge architecture.

Crypto & Web3FintechNew York City, US

Abishkar Chhetri(Chief Operating Officer)inPramod Kandel(Chief Technology Officer)inSimanta Gautam(Chief Executive Officer)inChandan Sharma Subedi(Co-Founder)inJohn LightinTrey Del Bonis

Co-investorsAccelmed PartnersAsymmetricHivemind Ventures, LlcLaunchpad CapitalMirana VenturesResolute Ventures+8 more

Andrenaandrena.comin𝕏May 2019

Andrena is a wireless Internet service provider that delivers high-speed connectivity to multi-tenant buildings and households using wireless technology beamed to building roofs, then distributed wirelessly to units.

CleantechCloud ComputingNew Jersey, US

Neil Chatterjee(Founder)inJames Smits(Founder)inNick De Veaux(Founder)

Co-investors645 VenturesAfore CapitalBollinger Investment GroupCalm VenturesChaos VenturesChapter One+10 more

Ansible Labsansiblelabs.xyz𝕏Aug 2022

Modern Treasury provides a payment infrastructure platform that enables companies to launch multi-rail payment products supporting both fiat and stablecoins through a single API.

Cloud ComputingCrypto & Web3Data & InfrastructureFintechSaaS

Co-investorsArca FundsArchetypeSoma CapitalBlocktower CapitalEniac Ventures

Archgetarch.comin

Arch provides AI-powered software for home services contractors in HVAC, plumbing, and electrical to identify sales prospects, detect at-risk customers for retention, and uncover upsell opportunities.

AI & Machine LearningMarketing TechSaaSSan Francisco, US

Phil K.(Founder)inJason Meltzer(Founder)Jason Trigg(Founder)Joel Stein(Founder)Phil Krinner(Founder)Philipp Krinner(Founder)

Co-investorsCoatue ManagementFloodgateGigascale CapitalOak HC/FTAsymmetricCiti Ventures+8 more

Archarchlending.comin𝕏

Arch operates an automated crypto lending platform that offers Bitcoin-backed loans, allowing investors to configure and receive funding within minutes.

Crypto & Web3FintechNew York, US

Dhruv Patel(CEO & Co-founder)inHimanshu Sahay(CTO & Co-founder)in

Co-investorsAlumni VenturesBBQ CapitalFormus CapitalFour Acres CapitalPICUS CAPITALRaido Venture Holdings

ARQarqfinance.comin𝕏Series A

ARQ Finance (formerly DolarApp) is a digital financial platform that enables currency exchange to digital dollars and euros, international payments, and investment access to global markets.

Crypto & Web3FintechLondon, GB

Fernando Terrés(CEO)inZach Garman(Founder)inAlvaro Correa(Founder)inÁlvaro Correa Gallardo(Founder)inÁlvaro Correa(Founder)in

Co-investorsCircle VenturesFounders FundKaszek VenturesSequoia CapitalY Combinator11 11 DG Partners+9 more

Arxarx.org𝕏Nov 2025 · $6.1M

Arx develops secure chips that embed blockchain authentication into physical items like apparel, collectibles, and certificates, enabling decentralized provenance verification and digital experiences without centralized servers.

Crypto & Web3Deep TechHardware

Co-investorsInflection.xyzPlaceholder VC1kxSeed Club Ventures

Arxarx.visionin𝕏Nov 2025 · $6.1M

ARx makes a hands-free wearable headset for people with low vision or sight loss, using a camera that streams video in real time to AI-powered visual assistance apps and bone-conduction audio to describe objects, text, and surroundings.

AI & Machine LearningHardwareHealthtech

Co-investors5Lion Ventures1kxPlaceholder VCSeed Club Ventures

Asymmetry Financeasymmetry.finance𝕏

Asymmetry Finance is a decentralized finance protocol that lets users borrow stablecoins (USDaf and AmpUSD) against BTC or stablecoin collateral at customizable fixed interest rates.

Crypto & Web3Fintech

Co-investorsF-Prime CapitalMagnus CapitalSilvermine CapitalAvon VenturesEcco Capitalgmjp+1 more

Atriumdataatriumdata.aiin

Atrium is an AI-powered analytics platform that unifies bank filings, real estate lending data, county records, and earnings-call transcripts to provide loan-level intelligence for credit due diligence, CRE and multifamily portfolio exposure analysis, and risk assessment.

AI & Machine LearningData & InfrastructureFintech

Attestivattestiv.comin𝕏

Attestiv offers an AI-powered platform that validates digital files—photos, videos, audio, and documents—to detect tampering, deepfakes, and fraud using rules-based and machine learning models, delivered via a dashboard, APIs, and SDKs.

AI & Machine LearningCybersecurityInsurTechLehi, US

Nicos Vekiarides(Executive Officer, Director)inJohn Bates(Executive Officer, Director)inThomas Mark Morley(Executive Officer)Emmanuel Parasirakis(Executive Officer)in

BoardMatthew Walsh(Director)inJason Weiss(Director)in

Co-investorsBlockchain CoinvestorsBorderless VenturePlug and Play Ventures

Babylonbabylonlabs.ioin𝕏

Babylon Labs develops trustless infrastructure that enables Bitcoin to be used as collateral in decentralized finance and through a Bitcoin staking protocol for blockchain validation.

Crypto & Web3Fintech

Fisher Yu(Founder)inDavid Tse(Founder)

Co-investorsa16z cryptoAlumni VenturesAndreessen HorowitzBasecamp FundBloccelerate VCBreyer Capital+13 more

Birch Hill Holdingsbirchhill.ioin𝕏Feb 2026 · $2.5M

Birch Hill provides infrastructure and risk management tools for institutional investors to allocate capital and trade assets on blockchain networks.

Crypto & Web3Data & InfrastructureFintechOld Westbury, US

Raizada Bhavin Vaid(Executive Officer, Director, Promoter)Jack Forlinesin

BoardConnor Flanagan(Director)Shayon Sengupta(Director)

Co-investorsParaFi CapitalParafi General FundFalconX VenturesFlowdesk

Birdaibirdai.xyz𝕏Jul 2026 · $4M

Birdai builds tools to measure, verify, and recover value lost between an order and its fill on onchain markets, using a single metric (β) to quantify execution quality.

Crypto & Web3Data & InfrastructureFintech

Kevin FarrellyinGreg ScanloninJames McClain

Co-investorsDepartment of XYZMetalayerVenture Dept.

Bitwisebitwiseinvestments.comin𝕏

Bitwise offers professionally managed crypto investment funds and products, including ETFs, separately managed accounts, private funds, and staking.

Crypto & Web3FintechSan Francisco, US

Hong Kim(Founder)inHunter Horsley(Founder)inKatherine Dowling(Executive Officer)inMatt Hougan(Executive Officer)inTeddy Fusaro(Executive Officer)in

BoardCorey Mulloy(Director)

Co-investorsBlockchain CapitalBlockchain CoinvestorsChorus OneCoinbase VenturesCollaborative FundCraft Ventures+13 more

Casacasa.ioin𝕏May 2022 · $21M

Casa provides self-custody solutions for bitcoin and stablecoins, offering multi-signature security infrastructure for both individual and institutional users.

Crypto & Web3Fintech

Nick Neuman(Founder & CEO)in

Co-investors515 VenturesAcrew CapitalBlockchain CoinvestorsChampion Hill VenturesCoinbase VenturesF-Prime Capital+11 more

Coala Paycoalapay.orgin𝕏

Coala Pay simplifies cross-border money transfers for humanitarian aid organizations, delivering more local currency than traditional banking rates.

Crypto & Web3FintechImpact & Social GoodSaaS

Co-investorsCV VCFactor CapitalLattice CapitalReflexive CapitalCommerce Ventures

Cyclopscyclopsmedtech.comin𝕏Jul 2026 · $20M

Cyclops Medtech develops a portfolio of vestibular diagnostic and therapy products—including videonystagmography (VNG/VOG), video head impulse testing (vHIT), dynamic visual acuity, stabilometry platforms, VR-based vestibular rehabilitation, and a smart balance board—to diagnose and treat dizziness and balance disorders.

Digital HealthHealthtechMedical Devices

Co-investorsCapria VenturesCircle & Co.Coinbase VenturesF-Prime CapitalNava Ventures

Dust Identitydustidentity.cominDec 2023

Dust Identity develops physical identity solutions using diamond-based technology to authenticate and trace high-value products and components across supply chains.

Circular EconomyDeep TechDefense TechEnterprise SoftwareHardwareIoTNew MaterialsRetail TechNeedham, US

Ophir Gaathon(Founder)inDirk Englund(Founder)

BoardIlya Fushman(Director)in

Co-investorsAlumni VenturesAngular VenturesBlockchain CoinvestorsF-Prime CapitalGrit VenturesMotier Ventures+7 more

Eaglebrook Advisorseaglebrook.cominApr 2022 · $20M

Eaglebrook is a crypto investment platform for wealth managers, offering tax-optimized Bitcoin, Ethereum, and multi-asset separately managed accounts (SMAs) held in segregated accounts at qualified custodians.

Crypto & Web3FintechSaaS

Christopher King(Founder)in

Co-investorsBrewer Lane VenturesF-Prime CapitalHack VCAvon VenturesFlyover CapitalFranklin Templeton+3 more

Ereborerebor.bank

Erebor is a US national bank in Columbus, Ohio serving AI, crypto, defense and advanced manufacturing companies.

Palmer Luckey(Founder)

Co-investorsAntiArctic DigitalBalerion Space VenturesChapter OneIneffable VenturesInnova Capital Partners, LLC+20 more

Ereborerebor.com

Jacob Hirshman(Founder)Joe Lonsdale(Founder)Owen Rapaport(Founder)Palmer Luckey(Founder)

Co-investorsHaun VenturesHuman CapitalHypersphere VenturesLux CapitalSeven Seven Six

Felixfelixpago.comin𝕏Mar 2025

Felix is a remittance service that enables users to send money from the United States to Latin America (Mexico, Guatemala, Honduras, El Salvador, and Dominican Republic) via WhatsApp, with funds delivered to bank accounts, mobile wallets, or cash pickup locations.

B2B MarketplacesFintechSan Francisco, US

Bernardo Garcia(Founder)inJuan Llanos(Executive Officer)in

BoardManuel Godoy(Founder)inSean Judge(Director)inPaul Arnold(Director)inAna Cristina Gadala-Maria(Director)in

Co-investorsContour Venture PartnersDorm RoomGeneral CatalystHTwentyMONASHEESQED Investors+9 more

Fordefifordefi.comin𝕏Nov 2022Acquired

Fordefi provides an MPC (multi-party computation) wallet with DeFi-specific features for institutional users such as blockchain investment funds, supporting multi-chain token strategies.

Crypto & Web3CybersecurityFintech

Josh Schwartz(Founder)inJosh shwartz(Founder)inDima Kogan(Founder)Michael Volfman(Founder)

Co-investorsDelta BlockchainDigital Currency GroupElectric CapitalLemniscapLightspeed Venture PartnersM12 (Microsoft's Venture Fund)+9 more

Gromagroma.comin𝕏

Groma issues GromaCoin, a blockchain token where each coin is a tokenized share in the Groma Real Estate Trust, backed by income-producing US real estate held in a regulated structure.

Crypto & Web3FintechPropTechBoston, US

Chris Lehman(Founder)inGrant Fishman(Founder)in

Co-investorsBantam GroupCoinbase VenturesLaunchpad Venture Group

Halbornhalborn.comin𝕏Jul 2022

Halborn is a blockchain security firm that provides smart contract auditing, penetration testing, red team simulations, and advisory services for enterprises, financial institutions, and blockchain ecosystem leaders.

Crypto & Web3CybersecurityEnterprise Software

Co-investorsDigital Currency GroupThird PrimeSummit Partners

Hosekihoseki.appin𝕏May 2022

Hoseki provides cryptographic verification of Bitcoin and digital asset holdings, letting holders generate verifiable proofs of ownership and businesses request and verify counterparty holdings without exposing addresses or sensitive data.

Crypto & Web3FintechSaaS

Sam Abbassi(CEO)inCory Wilbur(CTO and Head of Product)in

Co-investorsF-Prime CapitalFulgur VenturesSTILLMARKTen31Valor Equity PartnersAvon Ventures

Kintsukintsu.xyzin𝕏Jul 2024 · $4M

Kintsu is a liquid staking protocol on the Monad blockchain that lets users stake MON tokens and receive sMON liquid staking tokens usable across DeFi for trading, lending, and pooling while earning staking and MEV yield.

Crypto & Web3Fintech

Connor McKenzie(Founder)in

Co-investorsNxGenPragma VenturesPurechain CapitalReciprocal VenturesBrevan Howard DigitalFinTech Collective

Manetumanetu.comin

Manetu provides access control and policy enforcement for data, APIs, and AI systems in real time.

AI & Machine LearningCybersecurityData & InfrastructureEnterprise SoftwareRidgewood, US

David Harris(Executive Officer, Director)inMoiz Kohari(Executive Officer, Director)Gregory Haskins(Executive Officer)Richard Hurwitz(Executive Officer)Anand Babu Periasamy(Director)inKurt Dalton(Director)

Co-investorsBlockchain Coinvestors

Meow Technologiesmeow.comNov 2021

Meow is a financial technology company offering a business banking platform for companies and AI agents, combining checking accounts, corporate cards, global payments, invoicing, financing, and crypto.

AI & Machine LearningEnterprise SoftwareFintechMiami Beach, US

Brandon Arvanaghi(Founder)inBryce Crawford(Founder)

Co-investorsAcequia Capital (AceCap)Acrew CapitalArchetypeCoinbase VenturesEarl Grey CapitalKairos Angels+16 more

Mint Songsmintsongs.comFeb 2023Acquired

Mint Songs was a music NFT marketplace for artists, acquired by Napster in February 2023 after winding down operations.

Co-investorsAAF Management Ltd.Coinbase VenturesEast West Ventures EWVFreestyle Capital

Modern Treasurymoderntreasury.comin𝕏

Modern Treasury provides a payments infrastructure platform that enables businesses to move and track money across fiat and stablecoin rails through a single API.

Crypto & Web3Developer ToolsEnterprise SoftwareFintechSaaSSan Francisco, US

Matt Marcus(CEO)inDimitri Dadiomov(CEO)inSam Aarons(CTO)inRyan Jackson(Product Manager)inAndy Qin(Software Engineer)inRyan Hall(Staff Software Engineer)

Co-investorsArchetypeArtisanal VenturesCervinCleo CapitalFour CitiesMischief+16 more

Monadmonad.xyzin𝕏Apr 2024 · $225M

Monad is a high-performance EVM-compatible blockchain designed for fast, low-cost transactions.

Cloud ComputingCrypto & Web3Data & InfrastructureCalifon, US

Eunice Giarta Hon(Executive Officer)James Hunsaker(Founder)Keone Hon(Founder)inEunice Giarta(Founder)

Co-investorsAlphaLab CapitalAmbush CapitalArchetypeBankless VenturesBig Brain HoldingsBloccelerate VC+33 more

Mountain Protocolmountainprotocol.comin𝕏Jun 2024Acquired

Mountain Protocol offers a regulated, enterprise-grade stablecoin product designed to pass the "risk free rate" to stablecoin holders, acting as a bridge between crypto and traditional finance markets.

Crypto & Web3Fintech

Martin Carrica(Founder)Matias Caricato(Founder)

Co-investorsCoinbase VenturesDepartment of XYZMulticoin CapitalVenture Dept.Bankless VenturesWormhole Capital

Nirvana Labsnirvanalabs.ioin𝕏Jul 2024 · $4M

Nirvana Labs provides bare-metal cloud compute instances across three families optimized for different workloads, with pricing up to 37% lower than AWS equivalents.

AI & Machine LearningCloud ComputingData & InfrastructureDeep TechDeveloper ToolsEnterprise Software

Co-investorsCrucible CapitalHash3 CapitalLattice CapitalRaptor GroupVarys CapitalJump Crypto+1 more

Notabenenotabene.idin𝕏Seed · Nov 2021 · $10.2M

Notabene provides compliance and regulatory technology for crypto businesses and financial institutions, helping them meet regulatory requirements like the FATF Crypto Travel Rule through real-time screening, sanctions checks, and wallet identification.

Crypto & Web3CybersecurityEnterprise SoftwareFintechNew York City, US

Pelle Braendgaard(CEO)inAndres Junge(Founder)inAnia Lipinska(Founder)inAlice Nawfal(Founder)inCalvin K(Head of People Operations)Sacha Lowenthal(Head of Marketing)

Co-investorsBlockchain CoinvestorsDigital Currency GroupF-Prime CapitalNextBlockParaFi CapitalParafi General Fund+17 more

Project Elevenprojecteleven.comSeed · Jan 2026 · $20M

Project Eleven builds post-quantum cryptography and migration tooling for Bitcoin, Ethereum and other digital asset networks.

Co-investorsCoinbase VenturesFin CapitalLattice CapitalQuantonationVariant FundBalaji Srinivasan+1 more

PYORpyor.xyzin𝕏Seed · May 2023 · $4M

PYOR provides blockchain data analytics for crypto protocols, DAOs, and institutional investors, offering custom dashboards, risk and governance insights, and developer tools.

Crypto & Web3Data & InfrastructureDeveloper Tools

Co-investorsAntlerBharat Founder's FundFuture Perfect VenturesHash3 CapitalBalaji SrinivasanCoinbase Ventures+1 more

Rally Rdrallyrd.com𝕏Sep 2018

Rally is an investment platform that lets people buy and sell equity shares in collectible assets, which are securitized into individual companies and offered as shares through registered broker dealers.

FintechMarketplacesNew York City, US

Maximilian Niederste-Ostholt(Founder)Rob Petrozzo(Founder)in

Co-investorsAccelAnthemis VentureGlobal BrainKDDI Open Innovation FundRaptor GroupRed Beard Ventures+11 more

Resolvrresolvr.ioSeed · Sep 2025

W. Aaron Daniel(Founder)inDave Schwab(Founder)in

Co-investorsDraper AssociatesDraper Dragon

Ripple Labsripple.comin𝕏

Ripple builds blockchain-based financial infrastructure to enable cross-border value transfer and payment solutions for enterprises, governments, and financial institutions.

Crypto & Web3Enterprise SoftwareFintechSan Francisco, US

Ryan Fugger(Founder)Christian Larsen(Executive Officer, Director, Promoter)David Schwartz(Founder)inBradley Garlinghouse(Executive Officer)Arthur Britto(Founder)Brad Garlinghous(Founder)

Co-investors500 GlobalAbstract VenturesAurum Venture PartnersAvant Global LLCCamp One VenturesCore Venture Capital+22 more

SatLayersatlayer.xyzin𝕏Aug 2024 · $8M

SatLayer is a Bitcoin restaking protocol that lets holders deposit Bitcoin or liquid staking tokens into vaults to earn rewards and provide shared security for Bitcoin Validated Services (BVSs).

Crypto & Web3Data & InfrastructureFintech

Luke Xie(Founder)in

Co-investorsAsymmetricBloccelerate VCHack VCBing VenturesMirana VenturesOKX Ventures

Shift4 PaymentsinMar 2026 · $8M

Allentown, US

Jared Isaacman(Executive Officer, Director)Bradley Herring(Chief Financial Officer)Jordan Frankel(General Counsel and Secretary)inTaylor Lauber(President and Chief Strategy Officer)inDonald Isaacman(Director)Nancy Disman(Director)

Station70station70.comin𝕏

Station70 builds institutional-grade security products for enterprise asset protection, including private key backup and recovery (Bunker) and secrets management (Gatekeeper).

Crypto & Web3CybersecurityEnterprise SoftwareConcord, US

Adam Healy(Founder)inAdam Everspaugh(Founder)in

Co-investorsA100X VenturesMetalayerSCB 10XCyberstartsNotation CapitalSemantic Ventures

Talostalos.comin𝕏

Talos provides white-label cryptocurrency trading infrastructure and technology for retail investment platforms and digital asset brokerages.

Crypto & Web3Data & InfrastructureFintechSaaS

Anton Katz(Founder)inEthan Feldman(Founder)

Co-investors10SQ Capital (TenSquared)a16z cryptoAndreessen HorowitzBlockchain CoinvestorsCoinbase VenturesElefund+17 more

Tessertesser.xyzinOct 2025

Tesser provides stablecoin payment infrastructure for financial institutions, including global stablecoin settlement, off-ramp-as-a-service, and stablecoin payment capabilities with wallet infrastructure, on/off ramps, and compliance tools.

Crypto & Web3Enterprise SoftwareFintechNew York City, US

Geetha Panchapakesan(Founder)in

Co-investorsDigital Currency GroupAnthemis VentureStrobe Ventures

TRM Labstrmlabs.comin𝕏Series B

TRM Labs offers an online certification course on blockchain investigations and crypto forensics for professionals who need to trace cryptocurrency transactions across multiple blockchains.

AI & Machine LearningCrypto & Web3CybersecurityEdTechEnterprise SoftwareFintechGovTechSan Francisco, US

Esteban Castaño(Founder)inRahul Raina(Founder)inSujit Raman(Chief Legal Officer)inAri Redbord(Global Head of Policy)inTom Armstrong(Head of Compliance Advisory)Liza Lebovitz(Head of Recruiting)

Co-investors10T FundAlumni VenturesB Capital GroupB4 CapitalBasecamp FundBessemer Venture Partners+36 more

Valinorvalinordiscovery.comMar 2026 · $25M

Valinor Discovery generates patient-derived datasets combining multi-omics and clinical data to enable machine learning applications in drug development.

AI & Machine LearningBiotechMedical Devices

Co-investorsCampus Founders FundHarpoon VenturesMythos Ventures Management, LlcMaven 11

Valinor Digitalvalinordigital.comMar 2026 · $25M

Valinor is a credit institution building infrastructure for "Open Credit," aiming to connect traditional credit markets with onchain finance.

Crypto & Web3FintechNew York, US

Lily Yarborough(Co-Founder and CBO)inConnor Dougherty(Co-Founder and CEO)in

BoardSean Judge(Director)inNazar Khan(Director)

Co-investorsDepartment of XYZMaven 11Venture Dept.

Valiuvaliu.com𝕏Seed · Mar 2020Defunct

Valiu provides mobile banking services that give individuals and businesses in Latin America access to U.S. dollars and other stable currencies in markets where local money loses value or experiences high inflation.

Crypto & Web3FintechBogotá, CO

David Barinas(Founder)inSimon Chamorro(Founder)inCacho AscanioAlberto Niego(CPO)Christian Knudsen(CMO)inAlejandro Machado(Head of research)

Co-investorsBlockchain CoinvestorsITERATIVEY Combinator10X CapitalAHP InvestmentsAusum Ventures+10 more

Yellowyellow.aiin𝕏Sep 2021 · $15M

Yellow.ai is an agentic AI platform for customer service automation that uses multi-LLM architecture and conversational data to help enterprises reduce operational costs and improve customer interactions.

AI & Machine LearningEnterprise SoftwareSaaSBangalore, IN

Rashid Khan(Founder)inJaya Kishore Reddy Gollareddy(Founder)inRaghu Ravinutala(Founder)inJaya Kishore Gollareddy(Founder)Jaya Kishore Reddy(Founder)

Co-investorsLightspeed India PartnersLightspeed Venture PartnersSapphire VenturesTitan CapitalBlockchain.com VenturesBlume Ventures+6 more

Yellowyellow3d.cominSep 2021 · $15M

YellowSculpt provides AI-powered 3D character generation software that converts text prompts into fully rigged, animation-ready models for studios and game makers.

AI & Machine LearningGamingPalo Alto, US

Mandeep Waraich(Founder)inVincent Sitzmann, PhD(Co-founder and Chief Scientist)

Co-investorsAndreessen HorowitzBlockchain.com VenturesCoinbase VenturesFabric VenturesMONASHEESMoonPay+3 more

Yellowcardyellowcard.ioin𝕏

Yellow Card is a licensed stablecoin infrastructure provider operating across Africa, offering cryptocurrency and payment services aimed at solving financial, regulatory, and logistical problems in emerging markets.

Crypto & Web3FintechBirmingham, US

Chris Maurice(Founder)inJustin Poiroux(Founder)inKeith Hamlin(Director)Jason Marshall(Executive Officer)Joshua Rosenthal(Director)

BoardAleks Larsen(Director)in

Co-investorsAtlanta Technology AngelsBlockchain CapitalDG Daiwa VenturesFabric VenturesFenbushi CapitalPharsalus Capital+7 more

Zenledgerzenledger.ioin𝕏Jul 2021

ZenLedger provides tax and accounting software that automates cryptocurrency tax calculations for crypto traders, investors, and tax professionals.

Crypto & Web3FintechSaaSSeattle, US

Patrick Larsen(Founder & CEO)inDaniel Escobar(Chief Technology Officer)in

BoardMark Casady(Director)in

Co-investorsBloccelerate VCBlockchain CoinvestorsBorderless VentureConvergeFJ LabsG1 Ventures+16 more

Other

Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.

ArcadeArnac Software Ltd.AtriumBeamBuild on BitcoinL2Pear ProtocolRockSolid NetworkSendblocksTry Your Best

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.