1. Antonopoulos, A. (2015). Mastering Bitcoin: Unlocking Digital Cryptocurrencies. Beijing: O’Reilly.
2. Benet, J. (2014). IPFS – Content Addressed, Versioned, P2P File System (DRAFT 3). Available at:
https://arxiv.org/pdf/1407.3561.pdf
. Accessed 24 Mar 2018.
3. Brey, I. (2017). Tru Reptation Protocol—Establishing Persistent Reputation via the Ethereum Blockchain. Available at:
https://tru.ltd/Tru_Reputation_Protocol_White_Paper.pdf
. Accessed 25 Feb 2018.
4. Buterin, V. (2014). A Next-Generation Smart Contract and Decentralised Application Platform. Available at:
https://whitepaperdatabase.com/ethereum-eth-whitepaper/
. Accessed 25 Mar 2018.
5. Chen, Y. (2017). Blockchain Tokens and the Potential Democratisation of Entrepreneurship and Innovation. Stevens Institute of Technology School of Business Research Paper. Available at:
https://ssrn.com/abstract=3059150
. Accessed 24 Mar 2018.