Transaction

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<div class="post">So it's possible to switch "on the fly" to a new hash function? Wouldn't all the old transactions then be compromised (because they could be trivially recomputed)?<br/><br/>SHA-256 has already been weakened by a factor of 16 (according to my friend. I can't find documentation on that, but I trust him). That's 16 out of 2^256, so not a huge deal, but still.</div> text/html