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Learn Solidity lesson 29. OpenZeppelin's implementation of the ERC20 token. | by João Paulo Morais | Coinmonks | Medium
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solidity - cannot transfer token from EOA account to a contract from function - Ethereum Stack Exchange
Error fetching contract ABI: Error: execution reverted: "ERC20: transfer amount exceeds balance" (action="estimateGas" · ethers-io ethers.js · Discussion #4272 · GitHub
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Airdrop contract never work due to "Transfer amount exceeds the maxTxAmount." error - Code Wizards - Solidity Forum
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