Block top - The block quantity and size with 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 really be the a hundred and first transaction submitted by https://bookmarkpath.com/story20487424/a-review-of-blockchain-explorer-xrp-https-peatix-com-user-27717689