@eon
iO (or obfuscation in general) might be the "missing link" to full, trustless on-chain privacy using FHE (because you can embed an encryption key inside an obfuscated program).
But there are some inconvenient truths about this concept (and some hope), read on: https://blog.shutter.network/the-inconvenient-truth-about-io-in-web3-privacy/