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by TD-Linux
3353 days ago
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The conflict resolution problem was traditionally solved just by taking the first seen valid transaction and disregarding any subsequent conflicting transactions. That of course is not necessarily profit maximizing, so current implementations generally allow replacing the transaction as long as it pays an incrementally higher fee than the one it's replacing (the increment usually being the same as the minimum fee you mentioned). Non-mining nodes have to implement a similar policy, as it's also used for preventing DoS on the P2P network. |
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