Now please stop making incorrect statements.
Please name me one single SHA256 collision - idiot!
And now work out for me the odds of CW having found such a collision (and it happening to come from whatever Sartre document).
The entire point of the thread I created is that the double hashing that Satoshi put in Bitcoin (and nobody knows why) can make the collision resistance twice as bad. SHA256 is already broken for 46 - 52 of the 64 rounds. So thus doubling the hash may have been enough to break it given also that Craig apparently had access to a supercomputer.
Dude I am more expert about cryptographic hashes than you are. I designed my own already. I have done a lot of research in that area in 2013.