Block top - The block selection and length with the blockchain (in blocks) on creation of the present block Nonce - The transaction number to the from address (Keep in mind this commences at 0 so a nonce of 100 would truly be the 101st transaction submitted by this account) https://single-bookmark.com/story20714066/the-ultimate-guide-to-eth-blockchain-explorer-https-www-haphong-edu-vn-profile-crafttlcmcgarry6132-profile