Once a transaction is included in a block, it has one confirmation. As soon as _another_ block is mined on the same block chain, the transaction has two confirmations, and so on. Six or more confirmations is considered sufficient proof that a transaction cannot be reversed.((("confirmations")))
difficulty::
A network-wide setting that controls how much computation is required to find a Proof-Of-Work.((("difficulty")))
A network-wide setting that controls how much computation is required to produce a proof of work.((("difficulty")))
difficulty target::
A difficulty at which all the computation in the network will find blocks approximately every 10 minutes.((("target difficulty")))
myarbrough@oreilly.com
10 years ago