npub1df6eyr7x6cv4gq99h3rjnhj6f4yqzxa97pxf2ecxeq82ea8mwdyqfgns3a (npub1df6…ns3a) npub1vpkystedk2lldqlkkyd084tj5e39rpxn7lad6qeq9uka7kfw9jrsqg092y (npub1vpk…092y)
It could refer to the need to enable clocks on multiple machines to synchronize to the same time.
Source:
https://people.cs.rutgers.edu/~pxk/417/notes/clocks.html