Title: Japanese researchers break 41 out of 64 steps of SHA256 with preimage attack.
Abstract: In this paper, we propose preimage attacks [...]
sensationalist 6/10
Do you not understand all scientific papers use propose?
Propose as in "You can do it this way that we discovered"
Not propose as in "We think"
I think he means that you should evaluate the actual preimage attack that they propose before saying that they broke it.
I mean i can propose an attack: Search for all the possible keys one by one... This is a nice theoretical attack but has no value in the real world...