ckbhash
CKB uses BLAKE2b as the default hash algorithm. The specific configuration of BLAKE2b used in CKB is referred as ckbhash, characterized by:
- A 32-byte output digest size
 - A personalization of 
ckb-default-hash 
CKB uses BLAKE2b as the default hash algorithm. The specific configuration of BLAKE2b used in CKB is referred as ckbhash, characterized by:
ckb-default-hash