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My goal is to create a transaction that spends dust outputs to a miner. Since the goal is to reduce the UTXO set by consuming low value outputs, I do not want to create any new UTXO by actually sending Bitcoin to an address.
Is it valid to make a transaction with several inputs and only one single, zero value prunable OP RETURN output?
there are ~50 million UTXO. your efforts are teardrop in ocean – amaclin – 2017-07-25T20:16:48.980
It's a technical question not a charity proposal. But consider all those useless UTXOs produced by Counterparty. A large scale clean up could be effective – pinhead – 2017-07-25T20:18:30.890
Services like http://www.cryptograffiti.info/ encode arbitrary data in unspent outputs every single day.
– amaclin – 2017-07-25T21:22:47.310