Block height - The block amount and size on the blockchain (in blocks) on generation of the present block Nonce - The transaction selection with the from address (bear in mind this starts at 0 so a nonce of 100 would actually be the 101st transaction submitted by this account) https://bookmarkinglive.com/story21472759/the-greatest-guide-to-blockchain-explorer-unconfirmed-transaction-https-www-orkhonschool-edu-mn-profile-coxqonpallesen82836-profile