How do I get to the value in the 'scriptPubKey' part of the transaction ? Image may be NSFW.
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The sender knows only the address (1A3XjcuZmcszX2tGoVn1TrMNchuHwdAxZV) so how did he get into 63339ebf4914d964fbc729b0dc4c1a44c4fb8f80 ?I've tried ripemd160(sha256(address)) didn't work .I've tried sha256(sha256(address)) didn't work.