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 begins at 0 so a nonce of one hundred would essentially be the one hundred and first transaction https://topsocialplan.com/story5821405/the-greatest-guide-to-blockchain-explorer-unconfirmed-transaction-https-fletcher-odonnell-thoughtlanes-net-exploring-further-the-world-of-blockchain