Ethereum smart contracts are computer protocols that facilitate, verify, or enforce the negotiation or performance of a contract. Smart contracts were first proposed by Nick Szabo in 1996.
Ethereum smart contracts are often touted as being more secure than traditional contracts because they are executed on the blockchain, which is a decentralized platform that is not subject to interference from third parties.
However, some experts have raised concerns about the security of Ethereum smart contracts. One issue is that Ethereum smart contracts are written in Solidity, a programming language that is still in development and has not been formally verified. This means that there could be errors in the code that could lead to vulnerabilities.
Another concern is that the Ethereum Virtual Machine (EVM), which executes smart contracts, is not Turing-complete, which means that it can’t run all possible programs. This could limit the ability of developers to write robust smart contracts.
Overall, Ethereum smart contracts are a promising technology but there are still some security concerns that need to be addressed.