Blockchange Ventures

Blockchange Ventures is a New York-based venture capital firm that focuses on early-stage investments in blockchain technology, protocols, and decentralized applications. Founded in 2017, the firm has built a strong portfolio with notable investments in projects like Polkadot, Solana, Audius, and Figure, all of which are driving forward the blockchain and crypto ecosystems. The fund primarily invests in pre-seed to Series A rounds, targeting companies that are working on innovative applications in blockchain, fintech, and decentralized infrastructure. Their average check size ranges from $1M to $3M, with the team typically co-investing alongside other prominent blockchain VCs. Blockchange is known for its hands-on approach, providing strategic guidance on marketing, competitive positioning, and growth opportunities for its portfolio companies. Led by founder Ken Seiff, the Blockchange team leverages deep expertise in scaling early-stage companies. They are particularly known for being adaptable—engaging heavily or lightly depending on the needs of each startup. The firm is highly selective, looking for visionary founders who are pushing the boundaries of what blockchain technology can achieve. Blockchange Ventures has also been active in high-potential areas like decentralized finance (DeFi), network security, and blockchain-based SaaS models, aiming to support the next wave of transformative blockchain applications.