主题：密码学—数字签名 | Hacker Dōjō Workshop
时间：2月9日 北京时间19:30

Dōjō Hacker: Sputnik

大纲：
1.什么是数字签名
2.基本签名算法（RSA、ELGamal）
3.其它签名算法简介（群签名、环签名、门限签名）

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Topic: Symmetric Key Algorithm
Time: Feb 13th 11:30 UTC

Dj Hacker:Vyshnav

Outline:
1. Introduction to Symmetric Key
2. Advantages and Disadvantages
3. Types of Symmetric Key Algorithms
4. Introduction to DES
5. Introduction to AES
6. Modes of Encryption…

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Topic: Zero-Knowledge Proof: Groth16
Time:Mar 3rd 18:00（UTC+8）

Dōjō Hacker: Alexey Kalmykov（Principal Engineer, 2TN Research）

Outline：
1. Quick recap of ZK proofs
2. Groth16 vs other zkSNARKS
3. Real world Groth16 applications
4. Groth16 protocol overview…