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 (bear in mind this starts at 0 so a nonce of 100 would truly be the a hundred and first transaction submitted https://freshbookmarking.com/story20680776/a-review-of-blockchain-explorer-xrp-https-www-anibookmark-com-user-shoeraven4-html