IC3: Advancing the science and applications of blockchains

Latest on Blog

by Jim Ballingall on Monday January 09, 2017 at 08:42 AM
As regulators take a closer interest in cryptocurrencies, IC3 faculty weigh in on if and how they should be regulated.
by Joshua Lind, Ittay Eyal, Peter Pietzuch, and Emin Gün Sirer on December 22, 2016 at 09:10 AM
We unveil a new technology for secure, high throughput, low latency Bitcoin transactions using secure hardware, on the current Bitcoin network.
by Adem Efe Gencer and Emin Gün Sirer on December 06, 2016 at 02:35 PM
We introduce the first workable sharding solution for blockchains.
by Philipp Jovanovic on August 04, 2016 at 12:57 PM
We introduce a novel consensus mechanism that greatly improves security, throughput, and transaction confirmation latency of blockchain-based cryptocurrencies.
by Emin Gün Sirer on August 03, 2016 at 07:20 AM
The Bitfinex attack, and similar heists from Bitcoin exchanges, are preventable with a small extension to Bitcoin.
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Featured Projects

Town Crier: Authenticated Data Feeds for Smart Contracts

Smart contracts systems today lack trustworthy sources of data, as currently deployed oracles provide only weak provenance and confidentiality guarantees. The Town Crier system leverages trusted hardware (Intel SGX) to provide a strong guarantee that data comes from an existing, trustworthy source. It also provides confidentiality, enabling smart contracts to support confidential queries and manage user credentials. A basic version of Town Crier will launch as a public Ethereum service in early 2017. For further details, please see our paper.

Keywords:
Smart Contracts
Trusted Hardware
Intel SGX
Authenticated Data Feeds

More projects:

  • Solidus: A Centralized Future for Cryptocurrencies?
  • Bitcoin-NG: A Next-generation Blockchain Protocol
  • Miniature World: A Test Bed for Simulating Real World Blockchain
  • Fruitchain: A new Approach for Incentive Compatible Blockchains
  • Falcon Network: A High-Performance, Wide Area Interconnect for Blockchains
Even more projects...

Job Board

A postdoc position is available in Cornell/CornellTech and Ethereum Foundation Research Group.

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