Field Notes · Page 3

Engineering notes from production work.

The most common AI quality-assurance setup we see in production is one engineer running a few prompts through the new model version, eyeball…

Prediction markets are simple to describe and unforgiving to build. Users buy shares in outcomes ("Will X happen by Y date?"), prices move t…

The "React Native vs native" debate has been running for so long that most of the takes you'll find online are stale. The state of both ecos…

Cross-chain bridges have lost more money than any other category of DeFi protocol. The cumulative number across the major incidents, Ronin,…

There's a moment, usually nine to eighteen months into a successful product, when the team starts having the same conversation in slightly d…

Stablecoin volume in 2025 surpassed Visa's transaction volume. Most of that is on-chain trading, not real-economy payments, but the share th…

The biggest reason consumer Web3 hasn't gone mainstream isn't the technology. It's that every onboarding flow asks the user to understand se…

Real-world asset tokenization is one of the categories most-talked-about and least-shipped in Web3. The 2025 wave finally produced some real…

The race to zero on NFT royalties between 2022 and 2024 nearly killed creator economics on-chain. Marketplaces optimized for trader volume o…