# Kieran Mesquita and Alan Scott Jr. I Onchain Privacy for a Better Ethereum I Pragma Sydney 2024

- Channel: [ETHGlobal](https://streameth.org/ethglobal)
- Date: 2024-10-09
- Duration: 17:07
- Topics: Ethereum, privacy, Rail Gun, on-chain privacy, zero-knowledge proofs, ZKP, private transactions, DeFi, financial privacy, blockchain surveillance, regulatory compliance, viewing keys, Privacy Pools, exclusion proofs, anonymity sets, strategy leakage, wallet security, mobile cryptography, Rail Gun Connect, Rail Gun V3, Pragma Sydney, web3 security, confidential transactions, compliance tools, zk-SNARKs, decentralized identity
- Watch: https://streameth.org/watch/yt-5huvTnWobho
- YouTube: https://www.youtube.com/watch?v=5huvTnWobho

## Description

Alan and Kai from Rail Gun Project discuss on-chain privacy solutions for Ethereum at Pragma Sydney 2024. They explore why financial privacy matters in crypto, comparing traditional finance systems to the transparency of blockchain transactions. The talk covers Rail Gun's private address system (0zk), zero-knowledge proofs, compliance tools like viewing keys and Privacy Pools, and challenges in building private DeFi.

Learn how Rail Gun enables confidential transactions while addressing regulatory concerns, surveillance risks, and the computational limitations of mobile devices. The speakers also share updates on Rail Gun Connect and V3 architecture, making a case for privacy as a fundamental right in web3.

00:00 - Introduction to On-Chain Privacy Challenges
01:34 - Rail Gun: Private Addresses for Ethereum
02:13 - Why Financial Privacy Matters in Crypto
03:09 - The Dangers of Transparent Blockchains
04:04 - Strategy Leakage & Institutional Adoption
04:59 - Surveillance Risks & Personal Safety
05:31 - Regulatory Challenges for Privacy Tools
06:00 - Flaws in On-Chain Analytics
07:31 - Technical Hurdles in Private DeFi
09:12 - Mobile Limitations for ZK Proofs
10:19 - Decentralization vs. Centralized Components
10:51 - How Rail Gun’s Private Addresses Work
11:50 - Compliance Tools: Viewing Keys & Tax Reporting
12:17 - Privacy Pools & Exclusion Proofs
13:53 - Splitting Anonymity Sets Between Good/Bad Actors
14:52 - Future Developments: Rail Gun Connect & V3
16:11 - Advocacy: Normalizing Privacy in Web3

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _  

🇦🇺 *Pragma Sydney*
The Sydney edition of Pragma took place at The View by Sydney in May 2024 with a curated series of high-quality talks that sparked thought and discussion. Ever since we first introduced our new event series, Pragma, in Tokyo in the spring of 2023, we have been fostering a curated, global community of individuals who deeply care about web3. Watch the full Pragma Sydney playlist here: https://youtube.com/playlist?list=PLXzKMXK2aHh7rvaHBM14peT1TwI3QX38p&si=MzGrEYwYjxSQFiFM

ETHGlobal's Pragma series takes place in cities around the world, and is designed to be a different kind of event. Pragma is a one-stage conference with founders-only on stage, bringing together a small group of curated attendees and speakers to discuss the future of web3 and reflect on the past. 

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _  

✅ *Follow Kieran Mesquita*
X: https://x.com/mesquka

✅ *Follow ETHGlobal*
X: https://x.com/ETHGlobal​
Warpcast: https://warpcast.com/ethglobal
Website: https://ethglobal.com
YouTube: https://www.youtube.com/c/ETHGlobal 

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _  

_Are you interested in Ethereum development and entrepreneurship?_
👉 Sign up for the next ETHGlobal event: https://ethglobal.com/events
🎁 Get exclusive access and perks with ETHGlobal Plus! https://ethglobal.com/plus
📣 Want us to throw an event in your city? Tell us where! https://ethglobal.com/city

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _