因為 1 Ether = 1,000,000,000,000,000,000 Wei 10的18次方
所以才會這樣,可以參考這篇:
因為 1 Ether = 1,000,000,000,000,000,000 Wei 10的18次方
所以才會這樣,可以參考這篇:
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