Block top - The block selection and length from the blockchain (in blocks) on development of the current block Nonce - The transaction range with the from address (Remember this starts off at 0 so a nonce of 100 would actually be the 101st transaction submitted by this account) Agreement https://yesbookmarks.com/story20763776/facts-about-blockchain-explorer-confirmed-transactions-revealed-https-articlescad-com-the-remarkable-adventurers-in-the-cyber-frontier-grasping-distributed-ledger-instruments-325096-html