Block top - The block selection and length of the blockchain (in blocks) on creation of the current block Nonce - The transaction variety for that from address (Remember this starts off at 0 so a nonce of a hundred would basically be the one hundred and first transaction submitted https://atozbookmark.com/story20092406/the-smart-trick-of-blockchain-explorer-app-that-nobody-is-discussing-https-www-blurb-com-user-optionname7