Block top - The block number and length from the blockchain (in blocks) on creation of the current block Nonce - The transaction selection with 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://brightbookmarks.com/story20711557/top-guidelines-of-eth-blockchain-explorer-https-www-dermandar-com-user-quietquiet9