Block top - The block quantity and size on 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://social-lyft.com/story10628254/not-known-details-about-blockchain-explorer-ltc-https-blogfreely-net-pathfrog8-blockchain-trackers-a-gateway-to-comprehending-copyright-transactions