Validates a stamp against a target proof-of-work cost.
target_cost is the required number of leading zero bits in SHA256(workblock || stamp). A stamp with target_cost = 8 is valid when the hash is <= 2^248.
target_cost
target_cost = 8
Validates a stamp against a target proof-of-work cost.
target_costis the required number of leading zero bits in SHA256(workblock || stamp). A stamp withtarget_cost = 8is valid when the hash is <= 2^248.