Privacy-Focused Blockchain Startup AmericanFortress Raises $8M in Seed Round

According to CoinDesk, privacy-focused blockchain startup AmericanFortress completed an $8 million seed funding round on May 22, led jointly by SAVA Digital Asset Fund, Moon Pursuit Capital, and 0G Labs.

The company unveiled a patent-pending post-quantum signature scheme designed to protect existing crypto assets from future quantum attacks without requiring large-scale fund migration. The solution safeguards approximately 1.1 million bitcoins held by Satoshi Nakamoto and 5 million bitcoins in dormant accounts, totaling roughly $400 billion in value. Using backward-compatible soft forks and zero-knowledge proofs, the scheme freezes vulnerable pre-BIP32 Bitcoin addresses. The quantum security solution is set for official launch in Paris on June 2.