Block top - The block number and size with the blockchain (in blocks) on generation 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 actually be the 101st transaction submitted by this account) https://socialdosa.com/story10444220/details-fiction-and-explorer-blockchain-ethereum-https-cuwip-ucsd-edu-members-georgeuncle0-activity-1839979