Block top - The block selection and length of the blockchain (in blocks) on creation of the current block Nonce - The transaction amount to the from address (Keep in mind this commences at 0 so a nonce of one hundred would essentially be the one hundred and first transaction https://socialfactories.com/story5732139/a-review-of-blockchain-explorer-xrp-https-intensedebate-com-people-hawkwhorl3