Watch / Satoshi Has No Clothes, What About Szabo?: Smart Contracts, Privacy, and Practicality

Satoshi Has No Clothes, What About Szabo?: Smart Contracts, Privacy, and Practicality

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Satoshi Has No Clothes, What About Szabo?: Smart Contracts, Privacy, and Practicality

Duration: 00:18:53

Speaker: Ian Miers

Type: Talk

Expertise: Beginner

Event: Devcon 5

Date: Oct 2019

This talk will explore the possibilities for privacy preserving smart contracts in terms of both cryptography and functionality. It will give an overview of known approaches, including a detailed discussion of zk-proof based schemes such as Zexe (my work) and an overview of other approaches including refereed computation as seen in systems like Truebit and Arbitrum, multi-party computation, secret sharing, and fully homomorphic encryption. More fundamentally, it will explore what a private smart contract really is. Do we need to hide which contract is running? Do we really want privacy in most cases?

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Ian Miers

Ian Miers is an Assistant Professor of Computer Science at the University of Maryland. His research focuses on solving real world security issues using cryptography. He is one of the cofounders of Aleo, Bolt Labs, and Zcash, startups commercializing his work on privacy preserving payments and smart contracts. His work has been featured in The Washington Post, The New York Times, Wired, and The Economist. It has also been denounced in at least two op-eds.

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