I've read the original white-paper that is often cited as the foundation of the cryptocurrency, and particularly the “bitcoin“, phenomenon.
source https://www.google.com/url?rct=j&sa=t&url=https://stateofsecurity.com/%3Ftag%3Dcryptocurrency&ct=ga&cd=CAIyGmM2Nzk3ODA2ZWViNjVjODI6Y29tOmVuOlVT&usg=AFQjCNHFvvHE1vRmqfSudQoJZTpUs2dK9Q
