1. Bitcoin (2008) https://bitcoin.org. Accessed on February 02, 2022
2. Ethereum (2013) https://ethereum.org. Accessed on February 15, 2022
3. Cai XQ, Deng Y, Zhang L et al (2021) The principle and core technology of blockchain. Chin J Comput 44(01):84–131
4. Hyperledger Fabric (2018) https://github.com/hyperledger/Fabric, accessed on 2022-03-02
5. Cachin C (2016) Architecture of the hyperledger blockchain fabric. Workshop on distributed cryptocurrencies and consensus ledgers. 310(4):1–4