Block top - The block number and length from the blockchain (in blocks) on development of the current block Nonce - The transaction variety for that from address (Remember this starts off at 0 so a nonce of a hundred would essentially be the one hundred and first transaction submitted https://prbookmarkingwebsites.com/story26823541/a-review-of-blockchain-explorer-xrp-https-www-instapaper-com-p-16864836