# Gavin Andresen
# 2012-01-20 15:21:56
# https://bitcointalk.org/index.php?topic=56969.msg703783#msg703783

Once transactions are validated and buried "deep enough" in the blockchain you can forget their inputs, because the inputs are only needed for validation. @p{par}

... although SOMEBODY on the network should remember them, in case I-don't-trust-anybody nodes want to validate the entire blockchain.