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Questions about what criteria influence the selection of unconfirmed transactions for block inclusion.

11 votes
Accepted

Does the amount of the transaction fee affect the priority of a transaction?

Currently no. Any "required fees" are enforced only by the client not the network or protocol. It is up to each individual miners which transactions to include in a block. If forced to make a choic …
DeathAndTaxes's user avatar
2 votes

In a double spend attempt, how is the valid transaction chosen?

Miners are not obligated to include any specific transaction in a block. If one person gets a headstart then any non mining node will not relay the duplicate so the "first mover" will quickly cut …
DeathAndTaxes's user avatar