Cryptocurrency—sometimes referred to as “bit-currency”—uses a blockchain to record financial transactions using a public ledger.
source https://www.google.com/url?rct=j&sa=t&url=http://invisiblejets.com/podcast/010-cryptocurrency/&ct=ga&cd=CAIyGmM2Nzk3ODA2ZWViNjVjODI6Y29tOmVuOlVT&usg=AFQjCNHylpvdvz9Idi3w7LPjRktiUc9MrA
