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://eternalbookmarks.com/story20200070/a-review-of-blockchain-explorer-xrp-https-pad-karuka-tech-vc6p2vmyr6a9ij1xxkanwg