Block top - The block selection and duration of the blockchain (in blocks) on creation of the present block Nonce - The transaction selection for the from address (bear in mind this starts at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) https://greatbookmarking.com/story20610551/top-blockchain-explorer-confirmed-transactions-secrets-https-www-holycrossconvent-edu-na-profile-rosenberghbnborg32409-profile