Project Eleven, a leader in post-quantum security and migration solutions for digital assets, has raised $20M in a Series A funding round led by Castle Island Ventures. The round also saw participation from Coinbase Ventures, Fin Capital, Variant, Quantonation, Nebular, Formation, Lattice Fund, Satstreet Ventures, Nascent Ventures, and Balaji Srinivasan.

Project Eleven is building tooling to make complex, multi-year migration processes practical for networks and institutions, including readiness assessments, migration testing environments, and structured deployment sequencing.