TechBitcoin gains a quantum-resistant escape route, but 7 million BTC may remain exposed
Bitcoin’s mainnet has confirmed a quantum-resistant transaction using existing consensus rules. StarkWare researcher Avihu Levy’s construction shifts spending security from elliptic-curve signatures to hashes, but it cannot protect roughly 7 million BTC whose public keys are already exposed and is not yet practical for ordinary wallet use.
Bitcoin gains a quantum-resistant escape route, but 7 million BTC may remain exposed
Tech