1. Bitcoin: A Peer-to-Peer Electronic Cash Systemhttp://bitcoin.org/bitcoin.pdf
2. A next-generation smart contract and decentralized application platform;Buterin;White Pap.,2014
3. A first look at the usability of bitcoin key management;Eskandari;arXiv,2018
4. Why Johnny Still Can’t Encrypt: Evaluating the Usability of Email Encryption Softwarehttps://cups.cs.cmu.edu/soups/2006/posters/sheng-poster_abstract.pdf