I agree that this point shouldn’t be mystified, but it’s more than just an entry in a public database.
“1/ That you control a private key
2/ That you wrote an entry on the blockchain”
Michael Mott
1
Implicit in this is that you have the private key to do so. I say this elsewhere in the post. It literally is just an entry in the public database; how those entries get there is what makes Bitcoin special.
These points are a distillation and in a distillation, you leave out all the details and go straight for the bottom line. I'm sure you understand this!