By Isaac • June 29, 2026 5:34 pm •
Vitalik Buterin published a long technical post on June 29, 2026 titled “Obfuscation: building the final boss of cryptography (Part I).”
The essay walks through obfuscation protocols, the lineage of how researchers got here, and why the field is still so hard to make real.
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For Ethereum readers, the payoff sits in the applications. Strong obfuscation could eventually power private on-chain voting and other privacy tools that today depend on trusted setups or committees.
Buterin called it the final boss for a reason. The cryptography is far from finished.
A ten-thousand word monster post trying to cover the entire tech tree behind the main lineage of obfuscation (iO) protocols:https://t.co/46nseINlwF
Special thanks to all who helped!
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