ChainSim: A P2P blockchain simulation framework.- Blockchain-based Access Control Mechanism in Electronic Evidence.- A Blockchain-Based Digital Copyright Protection System with Security and Efficiency.- Multi-Core and SIMD Architecture based Implementation on SHA-256 of Blockchain.- EduChain: A blockchain-based education data management system.- A Case Study for Blockchain in OTC: “BATN”: A Prototype for Bid and Ask Trading Network.- A Group-based Optimized Practical Byzantine Fault Tolerance Consensus Algorithm.- Storage Optimization for Certificates in Blockchain based PKI System.