Blockchain Capital

Venture capital San Francisco, United States Founded 2013 blockchaincapital.com @blockchaincap
17portfolio companies
14categories
6rounds led

About Blockchain Capital

Blockchain Capital is a venture capital firm founded in 2013 by Bart Stephens and Brad Stephens. Based in San Francisco, the firm manages over $2 billion in assets under management across early-stage and growth investment vehicles. In 2023, the team closed $580 million across its sixth early-stage fund and an opportunity fund, adding to a history of dedicated digital asset funds that dates back to its initial crypto vehicle in 2014.

Investment strategy and sectors

The firm backs founders across decentralized finance, centralized infrastructure, consumer crypto applications, and identity systems. Investments span initial seed rounds through late-stage growth equity. Blockchain Capital often acts as lead investor, taking board or advisory roles and providing operational support.

Notable investments

Early portfolio companies include Coinbase, which went public in 2021, and infrastructure provider Bison Trails, which Coinbase acquired in 2019. The firm led a $40 million Series B round for Anchorage Digital in 2019 and a $50 million Series A round for EigenLayer in March 2023. Other major investments include seed backing for OpenSea in 2019, leading Worldcoin's $115 million Series C round in May 2023, and participating in rounds for Kraken, Aave, Circle, and Tether.

Recent activity includes leading a $12 million round for Paxos Labs in April 2026, leading a $70 million Series C financing for TRM Labs in February 2026, and participating in Polymarket's $150 million round in October 2025.

Portfolio in our directory

Analytics & Portfolio Trackers (1)

AI blockchain intelligence and on-chain forensics covering over 190 blockchains

Series C2026-02$70MLead investor
4.0

Blockchains (2)

OP Stack Layer 2 rollup prioritizing verified human transactions over bots with subsidized gas

Series C2023-05$115MLead investor
3.6

EVM-compatible ZK rollup ecosystem settling on Ethereum with over 700M processed transactions

3.7

Cross-Chain Bridges (1)

Intent-based cross-chain bridge using optimistic verification, processing over $40B in total volume

No KYCPrivate token sale2022-11-23$10M
4.3

Crypto Asset Managers (1)

Crypto asset manager running over 70 products with $9B in client assets

Seed2017-12-12$4M
4.0

Crypto Earn & Loans (1)

Digital asset wealth manager offering tokenized yield, MPC custody, and loans for private clients

Series C2021-09-15$55MLead investor
3.8

Crypto Exchanges (2)

Centralized crypto exchange founded in 2012, with 405 coins and 514 trading pairs

3.7

Centralized exchange with 600+ crypto pairs, derivatives, stocks and APIs since 2011

3.7

Crypto Wallets (1)

Non-custodial DeFi wallet and multichain aggregator covering 10,000+ assets across 48+ networks

No KYCSeries A2017-03-29$10.4M
4.2

DeFi Lending (1)

Pooled lending protocol founded in 2017, operating across 23 blockchain networks

No KYC
4.0

Decentralized Exchanges (1)

DEX aggregator routing swaps across 18+ networks, including Ethereum and Solana

3.7

Institutional Crypto Custody (1)

Crypto custody through Anchorage Digital Bank, an OCC-chartered national trust bank

Series B2019-07$40MLead investor
4.1

NFT Marketplaces (1)

Self-custodial NFT marketplace supporting 25+ chains and token swaps

3.7

Oracles & Infrastructure (2)

Modular oracle network securing $9.1B in value across 110+ blockchains

Seed2022-08-30$7M
4.0

Regulated real-world asset tokenization platform; Securitize, Inc. trades on the NYSE under SECZ

Series B2021-06$48MLead investor
3.6

Prediction Markets (1)

Prediction market on Polygon, founded in 2020 and backed by Founders Fund

2025-10-07$150M
4.0

Staking & Liquid Staking (1)

Restaking protocol securing EigenCloud with $10B+ in staked ETH

3.3