Block top - The block number and length in the blockchain (in blocks) on generation of the present block Nonce - The transaction selection for the from address (bear in mind this begins at 0 so a nonce of one hundred would essentially be the one hundred and first transaction https://linkedbookmarker.com/story6106249/a-review-of-blockchain-explorer-xrp-https-md-chaosdorf-de-xdhzafcotoa3ipvrxixxya