# Shutter Network

> Shutter Network: Threshold encrypted mempool. Technology: garbled-circuit MPC.

Part of the Soda Labs Privacy Hub, a neutral directory of the on-chain privacy
landscape: https://www.sodalabs.xyz/privacy-hub

## Key facts

- Entry type: Privacy project
- Category: Threshold encrypted mempool
- Technology: Garbled-circuit MPC (MPC-GC)
- Website: https://www.shutter.network/
- Tags: threshold encryption, MEV, governance
- Canonical page: https://www.sodalabs.xyz/privacy-hub/shutter-network

## Overview

Shutter encrypts transactions until they are already ordered, using threshold cryptography and distributed key generation so a committee can only decrypt after the block is fixed. That closes front-running at the protocol level rather than policing it afterwards, and the same mechanism protects voting from bribery and sealed-bid auctions from leaking. It is live and integrated with real chains and governance systems. The guarantee rests on the keyper set staying honest and available, which is the standing assumption in threshold schemes.

## About Garbled-circuit MPC

Several parties jointly evaluate a function over encrypted inputs using garbled circuits and secret sharing, so no single party ever holds the plaintext. Compared side by side with the other approaches at https://www.sodalabs.xyz/taxonomy.

## Sources

- [Website](https://www.shutter.network/)
- [Docs](https://docs.shutter.network)
- [Whitepaper](https://blog.shutter.network/shutter-in-depth-explanation-of-how-we-prevent-frontrunning/)
- [Source](https://github.com/shutter-network/)
- [Explorer](https://explorer.shutter.network/)

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