For most of Bitcoin’s history, the threat of quantum computers breaking its cryptography was a distant, theoretical worry, the kind of thing dismissed with “by the time that happens, we will have fixed it.” In 2026, the fixing has begun.…

For most of Bitcoin’s history, the threat of quantum computers breaking its cryptography was a distant, theoretical worry, the kind of thing dismissed with “by the time that happens, we will have fixed it.” In 2026, the fixing has begun.…