Punchcard deck used to mine Bitcoin on 1960s IBM 1401 mainframe by Ken Shirriff http://www.righto.com/2015/05/bitcoin-mining-on-55-year-old-ibm-1401.html btcartgallery2015-05-26T14:37:11+00:00May 26th, 2015|Bitcoin, photo|
when she asks if you know about bitcoin @EmeraldCryptohttps://twitter.com/EmeraldCrypto/status/890960555233746946 btcartgallery2017-07-29T17:41:38+00:00July 29th, 2017|Bitcoin, meme|
Senator Rand Paul First Presidential Candidate to accept Bitcoin btcartgallery2015-04-20T09:28:11+00:00April 20th, 2015|Bitcoin|
