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 100 would basically be the 101st transaction submitted by this account) Contract https://active-bookmarks.com/story20349029/getting-my-blockchain-explorer-ethereum-to-work-https-www-divephotoguide-com-user-puffinstone3