Blockchains are one of a kind in that, at the time a transaction has long been recorded and confirmed, it might?�t be modified. The ledger only allows for one-way details modification. copyright (or copyright for short) is usually a kind of electronic funds ??sometimes often called a electronic payment program https://erick9zyy1.blogoxo.com/34869679/helping-the-others-realize-the-advantages-of-copyright