j"1LAnZuoQdcKCkpDBKQMCgziGMoPC4VQUckM6<div class="post"><div class="quoteheader"><a href="https://bitcointalk.org/index.php?topic=1332.msg14869#msg14869">Quote from: chickenado on October 01, 2010, 05:03:52 PM</a></div><div class="quote">SHA-2 was actually designed to be computationally EASY because it's original purpose was digital signing, not proof-of-work.</div><br/>SHA is easy to calculate, but it's difficult to calculate a piece of data which will generate a given hash (which is [almost] what bitcoindoes). The proof of work must be difficult to calculate but easy to prove, which SHA is</div> text/html
https://whatsonchain.com/tx/330c5df2865890da0ddaf372649dc9edcd99d555e2595008c9f59cd5d7c0dfd4