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What is a smart contract?

30. What is a smart contract?

1. Programs stored on a blockchain that run when predetermined conditions are met
2. Online contract
3. Digital contract
4. All the above

Answer: A) Programs stored on a blockchain that run when predetermined conditions are met

Explanation:

A "smart contract" is software that runs on Ethereum's blockchain. It's a collection of code (its functions) and data (its state) that lives on the Ethereum blockchain at a single address. Ethereum accounts come in the form of smart contracts.