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://bookmark-dofollow.com/story25551329/everything-about-blockchain-explorer-https-en-unidos-edu-uy-profile-colekcikrause19011-profile