Crypto Consortium Forms 'Quantum Alliance' as 6.4M Bitcoin Face Future Cryptography Threats

Nine crypto companies, including Hacken, Quantus, and Postquant Labs, formed the Quantum Alliance to develop common quantum-resistant security standards for Bitcoin, Ethereum, and other blockchain networks. The alliance estimates that 6.4 million Bitcoin $BTC currently have exposed public keys, leaving 30.2% of the supply vulnerable to future cryptographically relevant quantum computers. While no existing machine can break the network's cryptography today, researchers disagree on when the threat will materialize, with some industry executives citing 2028 as a realistic timeline. Proposals to freeze or move vulnerable assets—including an estimated 1.1 million coins attributed to Satoshi Nakamoto—have sparked debate over property rights, with critics arguing confiscation violates core network neutrality. Implementing replacement digital signatures will require broad coordination across developers, miners, and exchanges, and could potentially increase fees by taking up more space on the blockchain. "The real cost isn’t the cryptography; it’s coordinating wallets, exchanges, custodians and protocol developers." — Bryn Bennett.