Block top - The block number and length from the blockchain (in blocks) on development of the present block Nonce - The transaction range with the from address (Remember this starts off at 0 so a nonce of 100 would actually be the 101st transaction submitted by this account) Not https://ledbookmark.com/story5934430/a-review-of-blockchain-explorer-xrp-https-squareblogs-net-heartgarlic3-delving-into-blockchain-explorers