A Review on Recent Progress of Smart Contract in Blockchain

A smart contract, in form, is represented as a piece of computer program code involving related commercial transactions and algorithms. Essentially, this the computerization pre-agreed contract between participants. This special agreement automatically verified executed once preset conditions are triggered. Smart contracts not only used field financial transactions, but also include many aspects social life. Although technology has unique advantages, it still early stages development, problems remain to be solved. First, article briefly summarizes development process blockchain, then focuses on research progress blockchain 2.0-smart contracts. Second, concepts presented, working mechanism difficulties faced by elaborated. Finally, response these dilemmas, corresponding solutions ideas summarized, future challenges trends analyzed judged.