Designing public vs. private state: what goes where and why

One of the most common sources of confusion when building on Midnight is the question of privacy. Developers expect that marking something as "not exported" or keeping it off the main interface will make it private. It does not. On Midnight, privacy is a deliberate design decision that requires using the right tools at the right layer. This tutorial gives you a clear framework for making that decision. By the end, you will understand the three layers of data in a Midnight smart contract, when to