CRS Registry

This repository consolidates resources about various instances of MPC protocols for CRS/SRS generation.

BN254

• Ignition:

  • Setup output: [To be added]
  • Proof system: Plonk
  • Source:
    • https://github.com/AztecProtocol/Setup
    • https://github.com/AztecProtocol/ignition-verification

• Perpetual Powers of Tau:

  • Setup output: https://github.com/weijiekoh/perpetualpowersoftau
  • Proof system: Groth16
  • Source:
    • https://github.com/kobigurk/phase2-bn254
    • https://github.com/iden3/snarkjs

• Zcash Sprout:

  • Setup output: https://z.cash/technology/paramgen/#sprout-mpc
  • Proof system: PGHR13
  • Source:
    • https://github.com/zcash/mpc
  • Paper: https://www.ieee-security.org/TC/SP2015/papers-archived/6949a287.pdf

• Zcash Powers of Tau:

  • Setup output:
    • https://www.zfnd.org/blog/conclusion-of-powers-of-tau/
    • Attestations: https://github.com/ZcashFoundation/powersoftau-attestations/
  • Proof system: Groth16
  • Source:
    • https://github.com/ebfull/powersoftau/
  • Paper: https://eprint.iacr.org/2017/1050

• Zcash Sapling:

  • Setup output: https://electriccoin.co/blog/completion-of-the-sapling-mpc/
  • Proof system: Groth16
  • Source:
    • https://github.com/zcash-hackworks/sapling-mpc
  • Paper: https://eprint.iacr.org/2017/1050

• Tornado Cash:

  • Setup output: https://ceremony.tornado.cash/
  • Proof system: Groth16
  • Source:
    • https://github.com/tornadocash/phase2-bn254
    • https://github.com/tornadocash/trusted-setup-server
  • Misc:
    • https://tornado-cash.medium.com/tornado-cash-trusted-setup-ceremony-b846e1e00be1
    • https://tornado-cash.medium.com/the-biggest-trusted-setup-ceremony-in-the-world-3c6ab9c8fffa#43d9

BLS12-381

• Filecoin:
  • Setup output:
    • https://trusted-setup.filecoin.io/
    • https://github.com/arielgabizon/perpetualpowersoftau
    • https://github.com/filecoin-project/phase2-attestations
  • Proof system: Groth16
  • Source:
    • https://github.com/filecoin-project/powersoftau/
    • https://github.com/filecoin-project/filecoin-phase2
  • Misc: https://filecoin.io/blog/posts/trusted-setup-complete/

BW6

• Plumo:
  • Setup output:
    • https://celo.org/plumo
    • https://github.com/celo-org/plumo-ceremony-attestations
  • Misc: https://medium.com/celoorg/the-plumo-ceremony-ac7649e9c8d8

---

Other references

• https://z.cash/technology/paramgen/