Block top - The block number and length in the blockchain (in blocks) on development of the present block Nonce - The transaction number for your from address (Keep in mind this commences at 0 so a nonce of a hundred would basically be the 101st transaction submitted by this https://opensocialfactory.com/story23615075/a-review-of-blockchain-explorer-xrp-https-diigo-com-010nvri