Block top - The block number and length in the blockchain (in blocks) on development of the present block Nonce - The transaction number for your from address (Keep in mind this commences at 0 so a nonce of a hundred would basically be the 101st transaction submitted by this https://getsocialselling.com/story5995247/blockchain-explorer-fundamentals-explained-https-fletcher-odonnell-thoughtlanes-net-exploring-further-the-world-of-blockchain