# Gavin Andresen # 2011-03-07 21:44:18 # https://bitcointalk.org/index.php?topic=4254.msg61812#msg61812 @s{quotedtext} @s{quotedtext} @p{brk} It is not a new transaction type@p{--} transactions could always have multiple TxOuts. @p{par} However, to prevent a denial-of-service attack (which was actually attempted@p{--} see @p{(link}block 71036@p{link)}) transactions with more than 2 TxOuts are currently dropped by clients instead of relayed. @p{par} Now that there is a need for it, the rules allow "reasonable" multi-output transactions, but still denies "unreasonable" ones (reasonable means: is one of the 2 standard transaction types and only does one ECDSA signature verification per recipient). @p{par} So: no, this won't cause a block chain split. And no, old miners will not disagree with new miners, so double-spending is not possible. @p{brk}