Block top - The block number and duration of the blockchain (in blocks) on development of the current block Nonce - The transaction variety for the from address (Remember this starts at 0 so a nonce of a hundred would basically be the one hundred and first transaction submitted by https://friendlybookmark.com/story20427381/blockchain-explorer-fundamentals-explained-http-www-drugoffice-gov-hk-gb-unigb-cryptoexplorerhub-com