bitcoin_nocashday-16
By CashlessWay – Global Hub for ePayment Culture on 2014-06-28 09:38:54
bitcoin_nocashday-16
Capitalizations Index – B ∞/21M
bitcoin_nocashday-16
By CashlessWay – Global Hub for ePayment Culture on 2014-06-28 09:38:54
bitcoin nodes validate transactions and blocks by checking signatures, UTXO availability, protocol rules and block proof-of-work. They reject invalid data and relay valid messages to maintain consensus and security.