Block top - The block selection and size from the blockchain (in blocks) on generation of the present 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://artybookmarks.com/story20617051/not-known-details-about-explorer-blockchain-ton-https-www-woorips-vic-edu-au-profile-jessenisrgibbons96537-profile