Block top - The block selection and duration on the blockchain (in blocks) on development of the present block Nonce - The transaction selection for the from address (bear in mind this starts off at 0 so a nonce of a hundred would basically be the 101st transaction submitted by https://bookmarkinglive.com/story21133776/explorer-blockchain-base-an-overview-https-vuf-minagricultura-gov-co-lists-informacin-20servicios-20web-dispform-aspx-id-11784754