Hold and Transfer ERC-20 on a Smart Contract
Solidity smart contracts can also hold ERC-20 tokens like it holds native coins such as ETH/MATIC/BNB. Holding ERC-20 in a contract is for multiple purposes. It can be for Staking, Locking and Releasing tokens, Banking and etc.
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Let’s look at how to make our contract hold ERC-20 tokens and transfer them to an address.
How to create a contract to hold tokens?
Let’s create a simple contract with implementing the ERC20 interface.
We’ve created a simple contract that can hold any ERC-20 tokens and also allows you to withdraw the token whenever needed.
Note: This code is only for demonstration purpose, should not be used in production. Consider Attack on Smart Contract Chapter 1 and Chapter 2 for a better and a secure smart contract development.
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