Block height - The block amount and size on 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://artybookmarks.com/story20654011/the-greatest-guide-to-blockchain-explorer-unconfirmed-transaction-https-hedgedoc-digillab-uni-augsburg-de-mshxmk-praykwj94jou11g