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How do contracts (or accounts) distinguish between ether and other contract currencies

2022-02-03 23:41:54 Q & A of Denglian community

such as , I'll transfer the contract eth, Transfer the contract currency to me , After a while , I want to transfer out of the contract eth, So how does the contract distinguish? What I want to transfer is eth Or contract currency ? Or say , How do contracts or accounts distinguish between different currencies ?




Take the answer 1:

Contract currency , That's right ERC20 Well ? Every ERC20 The transfer , Is to call its corresponding contract . Naturally .




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