Project Eleven, which builds tools to prepare blockchains for post-quantum threats, raised a $20M Series A led by Castle Island at a $120M post-money valuation (Yogita Khatri/The Block)

Yogita Khatri / The Block : Project Eleven, which builds tools to prepare blockchains for post-quantum threats, raised a $20M Series A led by Castle Island at a $120M post-money valuation —  Partner offers  —  Quick Take  — Project Eleven has raised a $20 million Series A funding at a $120 million valuation in a round led by Castle Island Ventures.