Building a Simple DApp Frontend — Check your understanding

Gut check Could you show a non-technical friend your app and have them understand what happens when they click? If not, improve the messaging.

Cryptography is about how to maintain control over information.

— Shafi Goldwasser

Error empathy Can you describe what the user sees if they reject, if gas is too low, or if the chain is wrong? You should be able to show each flow.

Transparency You should know where every piece of data comes from (provider vs cached), and be able to show users the contract address and intent at any moment.