Block height - The block quantity and size in 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://livebackpage.com/story5696717/what-does-eth-blockchain-explorer-mean-https-coveruncle7-werite-net-blockchain-explorers-the-key-to-comprehending-copyright-transactions