user162: Is there something like a timestamp of each transaction recorded in the block chain, or only the mere fact that the transaction was done?

user293: There's a unix timestamp in the block message. https://en.bitcoin.it/wiki/Protocol_specification#block
So you would be able to get know the transaction hit the blockchain down to roughly a 10 minute resolution.

162: <p>Is there something like a timestamp of each transaction recorded in the block chain, or only the mere fact that the transaction was done?</p>
 293: <p>There's a unix timestamp in the block message. <a href="https://en.bitcoin.it/wiki/Protocol_specification#block" rel="nofollow">https://en.bitcoin.it/wiki/Protocol_specification#block</a></p>

<p>So you would be able to get know the transaction hit the blockchain down to roughly a 10 minute resolution.</p>
