Each recorded transaction is called a 'block' - a data structure that contains a timestamp, transaction data and link to another block.

Source: https://www.dailymail.co.uk/sciencetech/article-11683239/Cryptocurrency-dummies-need-know-digital-assets.html?ns_mchannel=rss&ns_campaign=1490&ito=1490

If you cannot find the timestamp option in the camera settings, it's possible that your phone's default camera app does not have this feature.

Source: https://www.devicemag.com/can-you-see-timestamp-on-iphone-photos/

This is the last precise timestamp provided from the home on the night of the killings in the affidavit.

Source: https://nypost.com/2023/01/05/timeline-of-the-university-of-idaho-murders/