Watch / Minimum Viable Privacy: Introducing Hopper

Minimum Viable Privacy: Introducing Hopper

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Minimum Viable Privacy: Introducing Hopper

Duration: 00:18:27

Speaker: Julien Niset

Type: Breakout

Expertise: Advanced

Event: Devcon 5

Date: Oct 2019

Hopper is an Open-Source Mixer for Mobile-friendly private transfers on Ethereum. It allows the private transfer of value from one Ethereum account to another, via an iOS client. Users can deposit notes of 1 ETH into a mixer smart contract and withdraw them later to a different account by only providing a Zero-Knowledge proof (zkSNARK) that they previously deposited a note into the mixer, without revealing from which account that note was sent. Relayers are used to post transactions to the blockchain so that the recipient of a private transfer can withdraw a private note from the mixer without needing any prior ether. This project is based on previous work on trustless Ethereum mixers by @barryWhiteHat and @HarryR. This talk will discuss the development of Hopper, how others can contribute, and the next steps to make it a true utility for the community.



About the speakers


Julien Niset

Julien is co-Founder and Chief Science Officer of Argent. He holds a PhD in Physics with a focus on Quantum Information and Quantum Cryptography. Julien is the author of three patents: for quantum random number generation, distribution and use in novel cryptographic schemes. He previously founded a startup working on Ultra-Fast Quantum Random Number Generators, then worked in the security in IoT.

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