Deletion of Zerocoin

Comment: per above, 
Stance: keep
Cited policy: Wikipedia:Notability (WP:GNG)

Comment: As Chris mentions above, it is no longer a proposed extension to Bitcoin. Taken from the article, https://twitter.com/matthew_d_green/status/401798811070107648 this tweet by one of the developers shows that it will be released as an altcoin next year. I suppose, then, that it may fall within the confines of , but that's for another discussion
Stance: keep
Cited policy: Wikipedia:What Wikipedia is not (WP:CRYSTAL)