Block top - The block selection and duration on the blockchain (in blocks) on development of the present block Nonce - The transaction number for the from address (Remember this starts off at 0 so a nonce of one hundred would essentially be the 101st transaction submitted by this account) https://bookmarksparkle.com/story20723051/what-does-eth-blockchain-explorer-mean-https-cuwip-ucsd-edu-members-georgeuncle0-activity-1839979