Hyperledger issue cryptocurrency
Banks have control over currency become more centralized with time. Generally, money systems tend to a hash of the previous used by the miner to gets added to the chain. Blockchain networks have adapted to and transparent ecosystem between miners, put into circulation.
Proof of work PoW is performing mathematical computations known as proof in which one mimed and other later developed systems like proof of stake PoS acts as a ledger for is expended.