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Awesome Privacy Protection Systems in Blockchain

Awesome things related to privacy protection systems in blockchain.

Contents

• Introduction
• Zero Knowledge Proofs (ZKPs)
  • zkSNARKs
  • Bulletproofs
  • AZTEC Protocol
• MimbleWimble
• ZoKrates
  • zkERC20
• Ethereum 9 3/4
• Ethereum Istanbul Hard Fork
• Ring Signatures
• Sonic
• Hwak
• Zether

Introduction

Privacy and Blockchain

Zero Knowledge Proofs (ZKPs)

Awesome zero knowledge proofs

Bulletproofs

Brief description about Bulletproofs

Adam Gibson's From Zero (knowledge) to Bulletproofs.

Bulletproofs: Short Proofs for Confidential Transactions and More

zkSNARKs

TBA

AZTEC Protocol

AZTEC Protocol

MimbleWimble

MimbleWimble Transaction

ZoKrates

ZoKrates is a convenient toolbox for zkSNARKs on Ethereum.

zkDAI

zkDAI is private DAI transactions on Ethereum.

Description

Github

zkERC20

EIP

Implementation using ZoKrates

Ethereum 9 3/4

Homepage

Document

Github

Ethereum Istanbul Hard Fork

TBA

Refer to Ethereum Wiki

Ring Signatures

What is Ring Signature ?

Ring Signatures: Stronger Definitions, and Constructions without Random Oracles

Upgrade to more efficiently

Ring Confidential Transaction (RingCT)

Ring Confidential Transactions

Ring Confidential Transaction 2.0 (RingCT 2.0)

RingCT 2.0: A Compact Accumulator-Based (Linkable Ring Signature) Protocol for Blockchain Cryptocurrency Monero

Ring Confidential Transaction (RingCT 3.0)

RingCT 3.0 for Blockchain Confidential Transaction: Shorter Size and Stronger Security

Sonic

Sonic: Zero-Knowledge SNARKs from Linear-Size Universal and Updatable Structured Reference Strings

Introducing Sonic

zk-snarks의 trusted setup size를 줄이기 위한 솔루션.

(trusted setup: 증명자와 검증자 간 신뢰할수 있는 공개 매개변수 초기설정)

Introducing Sonic: A Practical zk-SNARK with a Nearly Trustless Setup

Translated

curg/Sonic

Hawk

Privacy Preserving on Smart Contracts

TBA

Zether