/Investor DB

Vitalik Buterin — Full Portfolio

3 tracked investments · listed companies and verified rows first

Aztecaztec.network𝕏Dec 2021

Aztec is a Layer 2 blockchain network on Ethereum that enables programmable privacy for decentralized applications through client-side zero-knowledge proofs and a dual state architecture.

Crypto & Web3CybersecurityDeveloper ToolsLondon, GB

ZacThomas Pocock(Founder)inZachary Williamson(Founder)inArnaud Schenk(Founder)inJoe Andrews(Founder)inThomas Walton-Pocock(Founder)

Co-investorsA.Capital Venturesa16z cryptoAlumni VenturesAndreessen HorowitzCoinbase VenturesCoinList+22 more

Etherealizeetherealize.comin𝕏Sep 2025

Etherealize develops financial infrastructure for trading, settlement, and privacy on the Ethereum blockchain, serving institutional clients including banks, asset managers, and hedge funds looking to move assets onchain.

Crypto & Web3Enterprise SoftwareFintechAustin, US

Vivek Raman(Executive Officer)in

Co-investorsElectric CapitalParadigmSina HabibianEthereum Foundation

Starkwarestarkware.coin𝕏Sep 2018

StarkWare develops zero-knowledge proof and validity rollup solutions for blockchain applications, enabling secure, scalable, and trustless transactions.

Crypto & Web3Deep TechDeveloper ToolsNetanya, IL

Eli Ben-Sasson(Founder)inUri Kolodny(Founder)inAlessandro Chiesa(Founder)inMichael Riabzev(Founder)inAvihu Levy(Head of Product & Blockchain Research)inOren Katz(VP Engineering)in

Co-investorsAtomicoBalaji SrinivasanBlockchain CoinvestorsBollinger Investment GroupCapital B Private HoldingsChapter One+23 more

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.