The "Bitcoin network" is like millions of peer p2p Full Nodes connected to a torrent file since 2009, still seeding and leeching, as displayed in Utorrent. But the file keeps getting updated every 10 minutes and everyone has the latest version of the 'app'. Imagine, hollywood and the bankers could have had 10s of 1000s of such networks today had they made hollywood movie torrents (official torrent) legal like i told in 2008. BTC mining is thus the IRL version of r/millionairemakers making a lucky machine owner a millionaire every 10 minutes. All that the nodes do is register the list of these winning machines in the registry. And a name wouldn't be added unless its record of 1000s of transactions in the last 10 minutes matches exactly with the majority of other validating Full Nodes. The older a bitcoin transaction is down the ledger, the more "confirmations" it will accrue over time, as each new machine downloading the bitcoin blockchain Bitcoin Core app will also be confirming/witnessing the old transaction and thus increasing its validity continually. But you don't need that many, as just 5-10 confirmations are enough in a few minutes fot being sure. For being absolutely sure, you need to run your own Full Node. Which then gives you absolute surety that money has been successfully sent, immediately with just 1 confirmation needed as you yourself are the Node Operator confirming your request as authentic.

Thr torrent software updates files just likr Bitcoin. Instead of an avi or mpeg or mp4 you would have shared an excel file of all banking transactions every few minutes.