Crypto & web3 startups in San Francisco
The Bay's crypto and web3 cluster: exchanges, L1/L2 protocols and the crypto-native funds backing them.
14 companies building in Crypto & web3 here.
Mike Belshe & Ben Davenport
Founded 2013; pioneered multi-signature institutional crypto custody with a decade-long unblemished security record; ~4,600+ institutional clients and ~$100B assets under custody. IPO'd January 2026 (first p...
Jack Dorsey & Jim McKelvey
Founded 2009 as Square; HQ in Oakland. Operates Square merchant payments, Cash App (57M+ active users) and TIDAL, with a deep Bitcoin strategy — held ~8,997 BTC corporate treasury (Mar 2026) and rolled out m...
Brian Armstrong & Fred Ehrsam
Founded 2012 in SF; the largest U.S. crypto exchange and custodian, public on Nasdaq (COIN) since 2021 and added to the S&P 500 in 2025. Went 'remote-first' with no HQ in 2021 (paid ~$25M to exit its SF leas...
Vlad Tenev & Baiju Bhatt (Indian-origin co-founder)
Founded 2013 in Menlo Park; commission-free trading of stocks, options, ETFs and crypto. Public (Nasdaq: HOOD) since 2021; joined the S&P 500 in September 2025 with a market cap around $98B mid-2025. Crypto ...
Nikil Viswanathan & Joe Lau (Indian-origin co-founder)
Founded 2013; leading Web3 developer infrastructure — node APIs, rollups-as-a-service, smart wallets, gasless transactions and DeFi primitives — often called the 'AWS of web3.' Decacorn valued at $10.2B (202...
Diogo Mónica & Nathan McCauley
Founded 2017; the first U.S. federally chartered crypto bank (OCC national trust charter), providing institutional custody, staking, trading and settlement. Valued at ~$4.2B (backers include a16z, GIC, Goldm...
Mo Shaikh & Avery Ching (Indian-origin co-founder)
Founded 2021 by former Meta Diem/Libra engineers; develops the Aptos Layer-1 blockchain (Move language, high throughput). Raised ~$350M (a16z, Jump, FTX Ventures, Franklin Templeton, Circle Ventures). Direct...
Evan Cheng, Sam Blackshear, George Danezis, Kostas Chalkias & Adeniyi Abiodun
Founded 2021 by ex-Meta Novi/Diem engineers; builds the Sui Layer-1 blockchain and Move-based infrastructure for Web3 apps. Reached a $2B valuation (2022) having raised ~$336M (FTX Ventures, a16z, Jump). [FL...
Brandon Millman, Francesco Agosti & Chris Kalani
Founded 2021; the dominant multichain self-custody crypto wallet (Solana-first, now multichain), with ~15M+ active users and ~$20B annual trade volume. Raised a $150M Series C at a $3B valuation (January 202...
Chris Larsen & Jed McCaleb
Founded 2012; enterprise crypto payments and infrastructure built around the XRP Ledger, plus the RLUSD stablecoin. In 2025 spent ~$2.45B on acquisitions — Hidden Road ($1.25B prime brokerage, closed Oct 202...
Anatoly Yakovenko & Raj Gokal (Indian-origin co-founder)
Founded 2018 in SF; core developer of the Solana Layer-1 blockchain, a high-throughput proof-of-stake chain (mainnet 2020) built on the novel Proof-of-History mechanism. ~250 employees across six continents;...
Marc Andreessen, Ben Horowitz & Chris Dixon
a16z (founded 2009) runs a16z crypto, the world's most influential crypto/Web3 venture arm, led by Chris Dixon. Its four crypto funds held ~$9.5B AUM (2025); its first fund returned a 5.4x net DPI. Raising a...
Dan Morehead
Founded 2013; the first U.S. institutional asset manager focused exclusively on blockchain, spanning venture, liquid-token and yield strategies. Long-standing early backer across the ecosystem; in 2025 retur...
Matt Huang & Fred Ehrsam
Crypto-native VC founded 2018 by ex-Sequoia partner Matt Huang and Coinbase co-founder Fred Ehrsam; among the most respected research-driven crypto funds (backer of Uniswap, Phantom, Optimism and more). In 2...
Other categories
New to the Bay Area startup scene? Start here.
eChai runs free, open founder meetups in the Bay, and connects the India ↔ Bay founder bridge. No membership, no fee, just show up. RSVP to the next one and meet the people building here.
See upcoming San Francisco events