What are you talking about ?!
No, What are you talking about?
Actually what garlonicon said was correct
To make a valid transaction you need a private key. Period.
The transaction we are talking about was made from bech32 address created from the same private key that puzzle 66 address containing funds. And it was created about a year ago from now.
What transaction are you talking about?
To send some value to some destination address you don't need its private key, you only need the private key of the source address, not of thr destination one...