Block top - The block range and size from the blockchain (in blocks) on generation of the present block Nonce - The transaction range to the from address (bear in mind this starts at 0 so a nonce of a hundred would basically be the a hundred and first transaction https://explorebookmarks.com/story20599622/the-greatest-guide-to-blockchain-explorer-unconfirmed-transaction-https-pad-karuka-tech-vc6p2vmyr6a9ij1xxkanwg