https://twitter.com/nickgiambruno/status/1307389546561179653
A trillion seconds ago was 30,000 B.C.
A quadrillion seconds ago was 32 million years ago.
A quintillion seconds ago was 32 billion years ago. (The age of the universe is 13.8 billion years.)
The computing power that secures Bitcoin is 139 quintillion calculations PER SECOND.
So, according to the above numbers, it takes only about about
3 milliseconds (0.003 seconds) for the Bitcoin network to perform as many calculations as there are seconds since the birth of the universe!
In other words, in every second that passes, the above process is repeated more than 300 times!
Wow! Just WOW!