Block top - The block number and length from the blockchain (in blocks) on development of the current block Nonce - The transaction range with the 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://bookmarkgenious.com/story20432092/a-review-of-blockchain-explorer-xrp-https-md-un-hack-bar-de-0oxwjunrtqeqpltmmf-tlw