Block top - The block number and length from the blockchain (in blocks) on development of the current block Nonce - The transaction variety for that from address (Remember this starts off at 0 so a nonce of a hundred would basically be the 101st transaction submitted by this account) https://monobookmarks.com/story20168487/helping-the-others-realize-the-advantages-of-blockchain-explorer-one-https-pad-karuka-tech-vc6p2vmyr6a9ij1xxkanwg