Say we have txA and txB, and txB contains an input that redeems an output from txA.
In order for a block containing both txA and txB to be valid, is it necessary that txB be after txA in the list of transactions for that block?
Say we have txA and txB, and txB contains an input that redeems an output from txA.
In order for a block containing both txA and txB to be valid, is it necessary that txB be after txA in the list of transactions for that block?