over 900 BTC. From this moment, for example - the reward value for address 66 is not 0.66BTC but 6.6BTC
How do you know the source of the latest 900 btc and say that it was made by the creator? The transaction potentially could lead to the stolen funds...

It was thought to be from the creator of the puzzle because in 2017 he himself promised to increase the puzzle prize by 10x, and yet now after 5 years, the puzzle prize was surprisingly unexpectable increased again by 10x. This should be from the creator himself Satoshi. Even though he didn't announce that himself, like what he did in 2017.