Is a token just a smart contract?

A token contract is simply an Ethereum smart contract . “Sending tokens” actually means “calling a method on a smart contract that someone wrote and deployed”. At the end of the day, a token contract is not much more a mapping of addresses to balances, plus some methods to add and subtract from those balances.

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What is ERC20 smart contract?

An ERC20 token is a standard used for creating and issuing smart contracts on the Ethereum blockchain . Smart contracts can then be used to create smart property or tokenized assets that people can invest in. ERC stands for “Ethereum request for comment,” and the ERC20 standard was implemented in 2015.

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