Block top - The block selection and duration of the blockchain (in blocks) on creation of the current block Nonce - The transaction quantity to the from address (Keep in mind this starts at 0 so a nonce of 100 would really be the 101st transaction submitted by this account) https://bookmarkwuzz.com/story20833290/helping-the-others-realize-the-advantages-of-blockchain-explorer-one-https-peatix-com-user-27717689