* [A Peer-to-Peer Electronic Cash System] (https://bitcoin.org/bitcoin.pdf)
  < This paper was the introduction to bitcoin as applicaton of the blockchain technology.
* [Hyperledger Fabric: A Distributed Operating System for Permissioned Blockchains](https://arxiv.org/pdf/1801.10228)
  < This paper was the introduction to private blockchain based on open source framework Hyperledger Fabric.