out-of-band fee

Also: out-of-band fees

A payment made directly to a specific miner, or group of miners, in exchange for confirming one or more transactions, as opposed to the usual in-band fee: the difference between a transaction's input and output values.

Used by: space.market

Sources #

1. Bitcoin Optech: out-of-band fees · bitcoinops.org/en/topics/out-of-band-fees/