Block top - The block selection and duration of the blockchain (in blocks) on creation of the current block Nonce - The transaction number with the from address (Remember this starts off at 0 so a nonce of a hundred would basically be the one hundred and first transaction submitted https://highkeysocial.com/story6158295/a-review-of-blockchain-explorer-xrp-https-www-saludcapital-gov-co-sitios-vigilanciasaludpublica-lists-contactenos-dispform-aspx-id-2972663