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31 sats \ 2 replies \ @Murch 4 May \ parent \ on: Quick questions about OP_RETURN? Quick answers here. bitcoin
Mostly right, but…
Any non-zero unspent transaction output that is not provably unspendable.
…UTXOs are allowed to have an amount of 0 per consensus rules, the dust limit is also just a mempool policy.
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0 sats \ 1 reply \ @Filiprogrammer 4 May
Are you saying that zero amount UTXOs are retained in the UTXO set?
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20 sats \ 0 replies \ @Murch 4 May
Yes, it is consensus-valid to create and spend UTXOs with an amount of 0. Therefore, any full node must retain them to not potentially be forked off the network.
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