Block top - The block number and length in the blockchain (in blocks) on development 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 truly be the a hundred and first transaction submitted https://nybookmark.com/story22371508/the-blockchain-explorer-address-diaries-https-www-demilked-com-author-brokerwhorl5