Block top - The block number and length in the blockchain (in blocks) on development of the present block Nonce - The transaction selection for 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://bookmarkfavors.com/story6318369/how-blockchain-explorer-xrp-can-save-you-time-stress-and-money-https-atavi-com-share-xftxdaz1pgsb4