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The KZG Ceremony is a coordinated public ritual which will provide a cryptographic foundation for Ethereum scaling initiatives. From the specs repo:
The ceremony is designed to have the following characteristics:
wide ecosystem participation
browser accessible
a meaningful narrative in a simple interface
easy to audit transcript
The best place to follow along is the KZG Ceremony channel in the Ethereum R&D Discord or the bridged telegram channel - DM one of the contributors to be added to either.
Resources
KZG Ceremony FAQ
How do trusted setups work?
EIP-4844
Proto-Danksharding FAQ
KZG polynomial commitments
KZG Ceremony Timeline
Spec Repo
Frontend Repo
Audits
SECBIT Spec + Implementation Audit - Aug 2022
Sigma Prime Sequencer Audit - Jan 2023
Client Implementations
There are a number of independent implementations interested Ceremony participants can try to run locally, will have a variety of different features. (no guarantees on the quality or completeness!)
readme
CLI Interfaces
Chotto
blst (jblst)
Java
Apache 2.0
Stefan Bratanov (@StefanBratanov)
go-kzg-ceremony-client
gnark-crypto
Go
MIT
Ignacio Hagopian (@jsign)
Features: transcript verification, using additional external sources of entropy, eg. drand network, an arbitrary URL provided by the user. Note: double signing not supported due to lack of hash-to-curve in gnark.
eth-KZG-ceremony-alt
kilic
Go
GPL-3.0
Arnaucube (@arnaucube)
Towers of Pau
blst
Go
MIT
Daniel Knopnik (@dknopik), Marius van der Widjen (@MariusVanDerWijden)
Linux only, no signatures.
Browser Interfaces
ZKParty Frontend
Arkworks
Several
latest.kzgceremony.eth
trusted-setup-frontend
References the latest version of the interface, which departs from the audited version in minor ways
ZKParty Frontend (Audit Commit)
Arkworks
Several
[1] audit.kzgceremony.eth
trusted-setup-frontend
The exact interface which Sigma Prime audited in November 2022. May have minor bugs or differences from the latest version above. docker instructions
Doge KZG
gnark
MIT
Andrew Davis (@Savid)
[2]
dogekzg
🐶
audit: QmevfvaP3nR5iMncWKa55B2f5mUgTAw9oDjFovD3XNrJTV
doge: QmRs83zAU1hEnPHeeSKBUa58kLiWiwkjG3rJCmB8ViTcSU
BLS Libraries
blst
C & assembly
Apache 2.0
Audit Report, [WIP] Formal Verification
Arkworks
Rust
Apache 2.0, MIT
gnark-crypto
Go & assembly
Apache 2.0
Audit Report
kilic
Go
Apache 2.0
Herumi BLS
C++ & assembly
modified BSD
Technical Assessment
py_ecc
Python
MIT
Media
Ethereum’s KZG Ceremony
Bankless
David Hoffman, Trent Van Epps, Carl Beekhuizen
Jan 2023
Peep an EIP - KZG Ceremony
EthCatHerders
Pooja Ranjan, Carl Beekhuizen
Jan 2023
Ethereum Foundation — EIP-4844 & KZG Ceremony
Epicenter
Friederike Ernst, Trent Van Epps, Carl Beekhuizen
Jan 2023
Building the KZG Ceremony
PSE Learn and Share
Nico Serrano, Geoff Lamperd
Dec 2022
The KZG Ceremony - or How I Learnt to Stop Worrying and Love Trusted Setups
Devcon
Carl Beekhuizen
Oct 2022
Public Calls
| Call = |Link | Date | | -: | -: | -: | |1 | Agenda/Recording |June 9 2022 | |2 | Agenda/Recording | June 23 2022 | |3 | Agenda/Recording |July 7 2022 | |4 | Agenda/Recording | July 21 2022 | |5 | Agenda/Recording | Aug 4 2022 | |6 | Agenda/Recording |Aug 18 2022 | |7 | Agenda/Recording |Sept 1 2022 | |8 | Agenda/Recording | Sept 15 2022 | |9 | Agenda/Recording | Sept 29 2022 |