Security· ★★★· bearish·

Europol warns of quantum threat to Bitcoin wallets

  • —Europol sees Bitcoin as especially exposed to quantum attacks on digital signatures
  • —About 6.9 million BTC sit on addresses whose public keys are already exposed
  • —The agency calls blockchain hash functions relatively resistant to quantum attacks
  • —It recommends a gradual migration to quantum-resistant algorithms
Why it matters: The quantum risk affects millions of BTC on older addresses, and migrating a decentralized network would take years.
#BTC
Source: BTC-ECHO
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