Block top - The block selection and duration of your blockchain (in blocks) on creation of the present block Nonce - The transaction quantity for your from address (bear in mind this begins at 0 so a nonce of 100 would truly be the 101st transaction submitted by this account) https://enrollbookmarks.com/story20248455/how-blockchain-explorer-xrp-can-save-you-time-stress-and-money-https-vuf-minagricultura-gov-co-lists-informacin-20servicios-20web-dispform-aspx-id-11784754