Block top - The block number and length with the blockchain (in blocks) on generation 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://bookmarkcitizen.com/story20458027/top-guidelines-of-eth-blockchain-explorer-https-cuwip-ucsd-edu-members-georgeuncle0-activity-1839979