Isn't 4 simply 2 bits?
Silly 2-bit outfit.
Maybe it's 3 bits.
I think the way that the bits are counted is based on the pool from which the number was randomly drawn. So it's possible they had 256 bits of entropy but got really unlucky.
alt Hacker News
I think the way that the bits are counted is based on the pool from which the number was randomly drawn. So it's possible they had 256 bits of entropy but got really unlucky.