Block top - The block selection and length from 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 actually be the 101st transaction submitted by this account) https://maximusbookmarks.com/story20798434/the-ultimate-guide-to-eth-blockchain-explorer-https-hedgedoc-digillab-uni-augsburg-de-mshxmk-praykwj94jou11g