I'm pretty sure that there are a ton of SHA256 altcoins. 
Replying to @lopp @cburniske
with $IOTA mining is obsolete, zero fees, infinite scaling, and no freakin’ drama! 
1:47 PM - 19 Aug 2017
0 replies
0 retweets
3 likes
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.