Block top - The block quantity and size from the blockchain (in blocks) on generation of the current block Nonce - The transaction quantity for that from address (Remember this starts at 0 so a nonce of a hundred would really be the 101st transaction submitted by this account) Don't https://bookmarkdistrict.com/story20424559/how-blockchain-explorer-xrp-can-save-you-time-stress-and-money-https-www-instapaper-com-p-16864836