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 starts off at 0 so a nonce of a hundred would actually be the 101st transaction submitted by this account) https://thesocialcircles.com/story6351391/how-blockchain-explorer-xrp-can-save-you-time-stress-and-money-https-www-hulkshare-com-circledrop4