50 #BTC mining reward, 10 minutes block confirmation time, and 4 years reward halving were fixed first. 21 million #bitcoin is the result of those 3 parameters. End of mining in 2140 is a result of the 8 digit precision. If you add 2 more digits, mining would continue another 24 years.
jack (npub1sg6…f63m) saylor (npub15dq…lm5m) Jeff Booth (npub1s05…eyhe)