> I understand that you don't have to be mining to assist in verifying transactions, as simply running the bitcoin-qt client aids processing of transaction, but

> I understand that you don't have to be mining to assist in verifying transactions, as simply running the bitcoin-qt client aids processing of transaction, but there no longer is a financial motivation to do so. Indeed, what will happen if most of the people end up firing up their bitcoin-qt client only to do a transaction, and shut it down immediately after?