A smart contract is a decentralized application that executes business logic in response to events. The result of the execution of a smart contract can be the exchange of money, the provision of services, the unlocking of content protected by a digital rights management system. It is also worth noting that there are many methods of earning on smart contracts. For example, in the article Smart contracts https://hacken.io/education/how-to-smart-contracts-bug-hunting/ you will find detailed recommendations on how to make money with the help of. smart contract bug bounty programs
Smart contracts are programs stored on a blockchain that run when certain predetermined conditions are met. They are used to automate the execution of an agreement so that participants can be certain of the agreement fulfilled .