Transaction

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<div class="post">Satoshi,<br/><br/>That would indeed be a solution if SHA was broken (certainly the more likely meltdown), because we could still recognize valid money owners by their signature (their private key would still be secure).<br/><br/>However, if something happened and the signatures were compromised (perhaps integer factorization is solved, quantum computers?), then even agreeing upon the last valid block would be worthless.</div> text/html