Block top - The block quantity and duration from the blockchain (in blocks) on creation of the current block Nonce - The transaction number with the from address (bear in mind this starts at 0 so a nonce of a hundred would truly be the a hundred and first transaction https://socialmediastore.net/story21177591/everything-about-blockchain-explorer-http-pandora-nla-gov-au-external-html-link-https-cryptoexplorerhub-com