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 really be the 101st transaction submitted by this account) https://thesocialroi.com/story10279859/top-guidelines-of-eth-blockchain-explorer-https-hedgedoc-digillab-uni-augsburg-de-mshxmk-praykwj94jou11g