Block top - The block number and length on the blockchain (in blocks) on generation of the current block Nonce - The transaction amount for that from address (Remember this starts off at 0 so a nonce of 100 would truly be the a hundred and first transaction submitted by https://bookmarksystem.com/story20512160/a-review-of-blockchain-explorer-xrp-https-atavi-com-share-xftxdaz1pgsb4