Block top - The block range and duration with the blockchain (in blocks) on generation of the current block Nonce - The transaction amount to the 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://socialmarkz.com/story11250662/blockchain-explorer-fundamentals-explained-https-pad-karuka-tech-vc6p2vmyr6a9ij1xxkanwg