Block top - The block number and length from the blockchain (in blocks) on creation of the current block Nonce - The transaction variety for that from address (Remember this commences at 0 so a nonce of one hundred would truly be the a hundred and first transaction submitted by https://hyperbookmarks.com/story20801602/a-review-of-blockchain-explorer-xrp-https-writeablog-net-storeformat0-blockchain-in-the-microscope-exploring-the-unsung-resources