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Results tagged with validation
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user 24925
5
votes
Accepted
which transactions does bitcoind validate?
After validation, IsMine is run to check if the nodes wallet (if it exists) has the keys which own these transactions, of it they have been added as a watching address, if they do they are marked as unconfirmed …
- 15.5k
3
votes
block verification cost
Much of this work can be done ahead of time, an unconfirmed transaction can have many checks against it done, so when it arrives confirmed inside a block the validation is cached. …
- 15.5k
2
votes
Accepted
Does a node validates a transaction that comes with a block if it's already in its mempool?
The most expensive part of checking a transaction, ECDSA validation, is cached. …
- 15.5k
3
votes
Did the introduction of VerifyScript cause a backwards incompatible change to consensus?
Almost all commits to the client prior to the commits that you have called out here were hard forks to due the inclusion of OP_VER and OP_VERIF, even if the change to the client wasn't otherwise an in …
- 15.5k
2
votes
Accepted
Selfish Mining: stale or orphan?
Don't we actually mean stale blocks when talking in context of selfish mining?
You always mean stale blocks, never orphan ones.
An orphan block is one that you can not connect to your local cha …
- 15.5k