Europol published two reports on October 7, 2026, warning that cryptocurrency wallets represent the primary vulnerability point against quantum computers. The European agency urges the entire industry to begin transitioning to post-quantum cryptography now. Approximately 6.9 million Bitcoin, valued at around $586 billion, sit in legacy or reused addresses with potential quantum exposure. The European Commission has set the end of 2026 as the deadline for member states to begin transitioning to post-quantum security measures.
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