Block top - The block range and size with the blockchain (in blocks) on creation of the current block Nonce - The transaction range for your from address (Keep in mind this commences at 0 so a nonce of 100 would basically be the 101st transaction submitted by this account) https://bookmarkstown.com/story20639717/not-known-details-about-explorer-blockchain-ton-https-hedge-fachschaft-informatik-uni-kl-de-nnpg48bpspmldanhox94bq