Block height - The block quantity and length in the blockchain (in blocks) on development of the present block Nonce - The transaction range with the 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://socialicus.com/story5813225/the-greatest-guide-to-blockchain-explorer-unconfirmed-transaction-https-codimd-fiksel-info-7obh-70jsduk4-4exx8mba