Blockstream Solves Quantum Threat for Bitcoin with First Live Post-Quantum Sidechain Deployment

TLDR: Blockstream broadcast the first post-quantum-signed transactions on a live Bitcoin sidechain, securing real funds on Liquid mainnet. Simplicity smart contracts allowed Blockstream to deploy quantum-resistant signing without requiring any network-wide consensus changes. SHRINCS, Blockstream’s hash-based signature scheme, offers stateful and stateless modes to protect user funds under any condition. The Bitcoin peg, Confidential Assets, [...]

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