Block top - The block number and length from the blockchain (in blocks) on creation of the current block Nonce - The transaction number to the from address (bear in mind this commences at 0 so a nonce of one hundred would basically be the one hundred and first transaction https://ariabookmarks.com/story6122281/how-blockchain-explorer-xrp-can-save-you-time-stress-and-money-https-setiathome-berkeley-edu-show-user-php-userid-13199150