Block top - The block number and length from the blockchain (in blocks) on creation of the current block Nonce - The transaction variety for that from address (Keep in mind this starts at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) https://bookmarkmoz.com/story20329637/helping-the-others-realize-the-advantages-of-blockchain-explorer-bnb-https-blogfreely-net-pathfrog8-blockchain-trackers-a-gateway-to-comprehending-copyright-transactions