Block top - The block number and length from the blockchain (in blocks) on development of the current block Nonce - The transaction range for that from address (Remember this starts off at 0 so a nonce of a hundred would actually be the 101st transaction submitted by this account) https://top10bookmark.com/story20129123/helping-the-others-realize-the-advantages-of-blockchain-explorer-bnb-https-graph-org-unveiling-transparency-how-blockchain-explorers-function-09-04