The Island of Stone Bitcoins by Speaking of Bitcoin (formerly Let's Talk Bitcoin!) published on 2013-09-15T17:20:13Z Read by the author, George Ettinger Read the full text http://letstalkbitcoin.com/the-island-of-stone-bitcoins/ Genre article Comment by ccuser So what would be a 51% attack for stone coins? 2013-09-18T06:10:23Z Comment by ccuser http://en.wikipedia.org/wiki/Yap#Stone_money 2013-09-18T06:08:01Z