react-native-scc vs react-native-mmkv: bringing Rust closer to React Native
Both react-native-scc and react-native-mmkv now ride the same Nitro Modules bridge, so the real fight is over the core: MMKV's decade-hardened C++ mmap + append-only log versus scc's Rust lock-free hash map + write-ahead log. Where each design actually wins (MMKV on a near-empty store, scc's flat write latency once real data is resident), why lock-free reads and a panic-safe FFI boundary matter, and the bigger idea behind it — now that Nitro made the JS to native call cheap, the language under the bridge is a free choice, and Rust has a strong case. Honest about where MMKV still wins.
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