DECO

Quick Take: DECO

Privacy-preserving oracle protocol DECO is a privacy-preserving oracle protocol. Using cryptographic techniques, it lets users prove facts about their web (TLS) sessions to oracles while hiding privacy-sensitive data.

Supported chains

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In depth

DECO—a privacy-preserving oracle technology developed at Cornell University and later acquired by Chainlink—allows data transmitted over the Internet to be confidentially attested to by oracles without the data being revealed to the public or to the oracle nodes themselves.

Relevant quotes

Tellor
“This proof of concept between Teller and Chainlink Labs showcased the true power of the DECO protocol and how privacy-preserving oracle technology can enable trillions of dollars in untapped value to be brought on-chain via undercollateralized lending. We’re excited to continue working with Chainlink on the development and refinement of the DECO protocol.” –Teller Finance CEO, Ryan Berkun.

Timeline

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DECO Resources

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Timeline

Date	Media	Author	Title

Educational

Date	Media	Author	Title
N/A	Homepage	DECO	DECO. A novel privacy-preserving oracle protocol, created by students and faculty at IC3.
16 Sep 22	Article	Chainlink	How DECO Enables Undercollateralized DeFi Lending: A Proof of Concept With Teller
18 Aug 20	Academic Paper	Cornell University - Chainlink	DECO: Liberating Web Data Using Decentralized Oracles for TLS

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