Fan Zhang
Security Researcher
About Me
I'm a security researcher focusing on the security/privacy problems in decentralized systems, especially those enabled by blockchain protocols and trusted execution environments (TEEs). I received my Ph.D. in Computer Science from Cornell University, advised by Prof. Ari Juels. I'm broadly interested in applied cryptography and distributed computing.
Here are some projects I've been working on:
DECO: a novel privacy-preserving oracle protocol. Project website.
CHURP: a dynamic-membership proactive secret sharing scheme. Project website.
Town Crier: an authenticated data feed for smart contracts. Project website.
Recent News
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NEWAugust 2020: DECO acquisition by ChainLink is announced!
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NEWJuly 2020: CanDID, our latest work on Decentralized Identity (DID) is available online.
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NEWMarch 2020: DECO accepted to CCS 2020!
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NEWJanuary 2020: Real World Crypto (RWC) video on DECO is now available online.
- October 2019: I visited ETH Zurich and presented "Connecting Blockchains to the Real World".
- October 2019: I presented Paralysis Proofs at ACM AFT 2019 at Zurich, Switzerland.
- September 2019: I visited IBM Waston Center and presented DECO (Decenetralized Oracles).
- September 2019: Two papers (CHURP, Tesseract) are accepted to ACM CCS'19! See you all in London!
- August 2019: "Paralysis Proofs: Secure Access-Structure Updates for Cryptocurrencies and More" is accepted to ACM AFT'19!
- April 2019: "Ekiden: A Platform for Confidentiality-Preserving, Trustworthy, and Performant Smart Contract Execution" is accepted to EuroS&P'19!
Media Coverage
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NEWChainlink’s New Acquisition From Cornell University Could Transform Blockchain For Good by Forbes on August 29, 2020
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NEWChainlink Acquires Blockchain Oracle Solution From Cornell University by CoinDesk on August 29, 2020
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NEWChainlink acquires a privacy-preserving oracle protocol from Cornell University by CoinTelegraph on August 29, 2020
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NEWChainlink Acquires DECO from Cornell University by PR Newswire on August 29, 2020
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NEWChainlink acquires DECO protocol from Cornell University by FXStreet on September 1, 2020
- MIT Tech Review China reported on CHURP by MIT Tech Review China on March 27, 2019
- Blockchain smart contracts are finally good for something in the real world by MIT Tech Review on November 19, 2018
- Cornell's Town Crier Acquired By Chainlink To Expand Decentralized Oracle Network by Forbes on November 1, 2018
- Chainlink Blockchain Company Acquires Cornell’s Town Crier to Bolster Native Smart Contract Network by BitcoinExchangeGuide on November 2, 2018
- Chainlink Acquires Town Crier, a Hardware-Based Oracle by Unhashed on November 3, 2018
- Big Hitter Crypto Funds Pile Into Privacy-Enhanced Smart Contract Startup Oasis Labs by Forbes on July 9, 2018
- Cornell IC3 Researchers Propose Solution to Bitcoin's Multisig "Paralysis" Problem by BitcoinMagazine on January 19, 2018
- The Ridiculous Amount of Energy It Takes to Run Bitcoin by IEEE Spectrum on September 28, 2017
- Trust Your Oracle? Cornell Launches Tool for Confidential Blockchain Queries by CoinDesk on May 17, 2017
- How Encrypted Weather Data Could Help Corporate Blockchain Dreams Come True by MIT Technology Review on May 11, 2017
- Town Crier Service Delivers Solid Data To Coders by ETHNews on May 11, 2017