Block top - The block range and duration of your blockchain (in blocks) on creation of the current block Nonce - The transaction quantity for your from address (bear in mind this starts at 0 so a nonce of 100 would basically be the 101st transaction submitted by this account) https://hyperbookmarks.com/story20298062/explorer-blockchain-base-an-overview-https-md-farafin-de-0k9kbddstjwuieqthhbjgg