Slow hash and fast hash
1. How to know if the password belongs to slow hash or fast hash

2. Slow hash is not suitable for brain servers. How to distribute slow hash to crack
1. This depends on the Hash type (-m parameter), but not on the password itself

2. It is the other way around, the brain is made for slow hashes. For further information read this:

Distributing hash cracking can be achieved with overlays like Hashtopolis (
hashcat brain is not a substitution for a distributed cracking solution.
ok Well, in the future, in the actual application, brain only focuses on cracking slow hashes.