摘要：A block chain is very difficult to modulate because many nodes verify transactions and keep them inblockchain, and transactions can be done without third parties based on the reliability of data. The SmartContract is one of the most notable uses of the blockchain. Smart contract is being introduced in a varietyof formats, but there is a variety of issues in terms of information protection and privacy protection thatshould be addressed in the initial phase so far. In this paper, examines the design method to analyze theissues related to the protection of personal information to be considered in implementing the block chainbased smart communication, and to store and manage the data safely.
关键词：Blockchain; Smart Contract; Personal Information Protection; Ethereum
