Block top - The block selection and length from the blockchain (in blocks) on development of the present block Nonce - The transaction selection 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://lingeriebookmark.com/story10219767/blockchain-explorer-search-an-overview-https-coveruncle7-werite-net-blockchain-explorers-the-key-to-comprehending-copyright-transactions