tcatm·6 か月前·議論tl;dr: Do not buy BitBills on the secondary market. Sweeping the private key is trivial and non-destructive (requires physical access).
tcatm·13 年前·議論Well, you could look at the charts of exchanges before mtgox, like bitcoinmarket.com with data from 2010:PayPal USD: http://bitcoincharts.com/charts/bcmPPUSD#czsg2010-01-01zeg20...LibertyReserve USD: http://bitcoincharts.com/charts/bcmLRUSD#czsg2010-01-01zeg20...