Bitcoin developer finds bug in competing coin, does the right thing

Proponents of Bitcoin and its competing cryptocurrency Bitcoin Cash, which was created as a "fork" of Bitcoin's code and history, aren't exactly in love with each other. Social media channels are full of squabbles over which coin is better and which one is more deserving of the "Bitcoin" name. 

But one Bitcoin Core developer — meaning, a person who develops code for Bitcoin — rose above the petty quarrels and did a big favor for Bitcoin Cash. 

In April, Cory Fields discovered what he describes as a "critical vulnerability" in Bitcoin Cash, and alerted Bitcoin Cash developers which implemented a fix before a malicious actor could exploit it.  Read more...