Block top - The block number and length in the blockchain (in blocks) on development of the current block Nonce - The transaction variety with the from address (bear in mind this begins at 0 so a nonce of one hundred would truly be the a hundred and first transaction https://bookmark-group.com/story6251757/top-blockchain-explorer-confirmed-transactions-secrets-https-canvas-instructure-com-eportfolios-4028322-entries-14252553