Block height - The block quantity and length in the blockchain (in blocks) on development of the present block Nonce - The transaction number 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://explorebookmarks.com/story20604389/not-known-facts-about-blockchain-explorer-unconfirmed-transaction-https-intensedebate-com-people-hawkwhorl3