Block top - The block selection and length from the blockchain (in blocks) on development of the present block Nonce - The transaction range with the from address (bear in mind this starts at 0 so a nonce of 100 would really be the a hundred and first transaction submitted https://nybookmark.com/story22679462/the-smart-trick-of-blockchain-explorer-app-that-nobody-is-discussing-https-fletcher-odonnell-thoughtlanes-net-exploring-further-the-world-of-blockchain