Consensus among nodes is achieved using a computationally intensive approach according to proof of labor, termed mining, that guarantees the security from the bitcoin blockchain. Mining consumes substantial portions of electric power and has been criticized for its environmental consequences.[five] Den senare värdebevararfunktionen har dock debatterats. Många kryptoentusiaster och eko... https://directoryhand.com/listings12787743/5-simple-techniques-for-bitcoin