Block top - The block selection and duration of the blockchain (in blocks) on generation of the present block Nonce - The transaction number for the from address (bear in mind this starts at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) https://yoursocialpeople.com/story6011271/blockchain-explorer-search-an-overview-https-posteezy-com-past-these-blocks-discovering-realm-copyright-explorers