# Railgun: Privacy when using DeFi possible ? (zk-SNARKs on ETH!?)

**URL:** <https://forum.zcashcommunity.com/t/railgun-privacy-when-using-defi-possible-zk-snarks-on-eth/40243>\
**Category:** General\
**Created:** [October 3, 2021, 4:20am UTC](https://forum.zcashcommunity.com/t/railgun-privacy-when-using-defi-possible-zk-snarks-on-eth/40243 "2021-10-03T04:20:11Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Blazin8888](https://sea2.discourse-cdn.com/zcash/user_avatar/forum.zcashcommunity.com/blazin8888/32/9263_2.png) [@Blazin8888](https://forum.zcashcommunity.com/u/Blazin8888)\
**Post date:** [October 3, 2021, 4:20am UTC](https://forum.zcashcommunity.com/t/railgun-privacy-when-using-defi-possible-zk-snarks-on-eth/40243/1 "2021-10-03T04:20:11Z")

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Just came across this project called “Railgun”. It seems interesting but what really caught my attention is the fact they claim to be using zk-SNARKS on layer 1 ETH… is this possible? would this implementation provide any sort of real effective privacy? Found these videos on YouTube as well:

[![](https://global.discourse-cdn.com/zcash/original/3X/f/6/f603c4870fe19d4f5712c4820a38faeb321e1f77.jpeg "Railgun: The New Weapon in Privacy") ](https://www.youtube.com/watch?v=1zEdMYiNKU8)

[![](https://global.discourse-cdn.com/zcash/original/3X/9/6/9651e8f135ab6ccd181215b9bd9d8ad2a6199f41.jpeg "Internal Transfers in RAILGUN - Cryptocurrency Village @ DEF CON 2021") ](https://www.youtube.com/watch?v=PpkVrYPWM3Q)

More info: [Moonshot Hunter AMA. June 30th, 2021 — Transcribed by… | by RAILGUN Project | Medium](https://medium.com/@Railgun_Project/moonshot-hunter-ama-df38ecd453d7)  
Whitepaper: [https://bafybeiakdhweojvf7zvtp2tr32alzam4yyifbolf7fgrmsshalea7fv55m.ipfs.cf-ipfs.com/docs/Railgun%20Project%20Whitepaper%20-%20July%202021.pdf](https://bafybeiakdhweojvf7zvtp2tr32alzam4yyifbolf7fgrmsshalea7fv55m.ipfs.cf-ipfs.com/docs/Railgun%20Project%20Whitepaper%20-%20July%202021.pdf)