Block top - The block selection and length from the blockchain (in blocks) on development of the current block Nonce - The transaction variety for that 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://pr6bookmark.com/story20392256/how-blockchain-explorer-xrp-can-save-you-time-stress-and-money-https-wikimapia-org-external-link-url-https-cryptoexplorerhub-com