Block top - The block selection and duration of the blockchain (in blocks) on creation of the current block Nonce - The transaction variety for that from address (Remember this starts off at 0 so a nonce of a hundred would actually be the 101st transaction submitted by this account) https://mediajx.com/story24963023/helping-the-others-realize-the-advantages-of-blockchain-explorer-one-https-coveruncle7-werite-net-blockchain-explorers-the-key-to-comprehending-copyright-transactions