Block top - The block number and size with the blockchain (in blocks) on generation of the current block Nonce - The transaction number for your from address (Keep in mind this starts off at 0 so a nonce of 100 would truly be the a hundred and first transaction https://bookmark-master.com/story20728567/what-does-eth-blockchain-explorer-mean-https-postheaven-net-stickscreen2-from-bytes-to-insights-a-journey-with-copyright-adventurers