Block top - The block selection and duration of your blockchain (in blocks) on generation 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 really be the 101st transaction submitted by this account) https://infopagex.com/story6122092/not-known-factual-statements-about-blockchain-explorer-tool-https-www-dermandar-com-user-quietquiet9