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 truly be the 101st transaction submitted by this account) https://bookmarkedblog.com/story21229816/5-simple-statements-about-blockchain-explorer-solana-explained-https-hedgedoc-digillab-uni-augsburg-de-mshxmk-praykwj94jou11g