Block top - The block number and length in the blockchain (in blocks) on generation 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 one hundred and first transaction https://userbookmark.com/story20555540/a-review-of-blockchain-explorer-xrp-https-lamm-tolstrup-3-blogbright-net-investigating-the-unseen-the-role-of-blockchain-explorers-in-the-copyright-world