Block top - The block selection and length from 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://bookmarkswing.com/story22288830/the-blockchain-explorer-address-diaries-https-www-blurb-com-user-optionname7