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Why has none of them ever used more than one vout? If each of your transactions only sends Bitcoin to one receiver, then there's going to be only one receiver output in each of those transactions. Hence you only see a single vout per txid. You can create transactions which send to multiple receivers. You should see multiple vouts for those. You can make ...


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In Bitcoin, it was originally an assumption that miners producing blocks would use a unique address per transaction, making sure that the coinbase of each block had a unique TXID. As this was not enforced, users accidentally made duplicate transactions by setting the same destination address for multiple solved blocks. BIP34 simply adds a new field to be ...


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