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://minibookmarks.com/story20640568/5-simple-techniques-for-explorer-blockchain-base-https-notes-io-ww2s8