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I found this article for ETH transfer: https://goethereumbook.org/en/transfer-eth/ And this one for Token transfer : https://goethereumbook.org/en/transfer-tokens/ Also for PHP developers there is this package: https://github.com/kornrunner/php-ethereum-token


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One transaction is (eventually) executed only once. It may be executed by different nodes around the same time and even maybe included in a block but only one such block may exist in the blockchain. So there is no point for nodes to even try adding a transaction twice so they will just ignore transactions which they already know about. The more miner nodes ...


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In general, ERC20 token transaction is completely different than ETH transaction. If transaction occurs between two contracts, for a ETH transaction the receipt contract must have fallback function in its code. Also, the sender must have fallback function in its contract code. Whereas, an ERC20 token transaction does not need any fallback function neither in ...


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Circling back on this 4 years later: This is buried in MEW's Send Offline Helper. If you enter in the signed transaction in Step 3 and flip on the "Raw Transaction" switch it will break out the fields for you(Caveat: doesn't give you v,r,s; instead it gives you the from address). https://www.myetherwallet.com/send-offline-helper


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