Block top - The block selection and duration of the blockchain (in blocks) on creation of the current block Nonce - The transaction range with the from address (Remember this starts off at 0 so a nonce of 100 would in fact be the a hundred and first transaction submitted https://bookmarkcitizen.com/story20263319/not-known-factual-statements-about-blockchain-explorer-tool-https-diigo-com-010nvri