Does Monero need a L2? Sean Coughlin presents Grease: a payment channel implementation for Monero | EPI 354
Monero Talk28 Kesä 2025

Does Monero need a L2? Sean Coughlin presents Grease: a payment channel implementation for Monero | EPI 354

Any donation is greatly appreciated!

47e6GvjL4in5Zy5vVHMb9PQtGXQAcFvWSCQn2fuwDYZoZRk3oFjefr51WBNDGG9EjF1YDavg7pwGDFSAVWC5K42CBcLLv5U

OR DONATE HERE: https://www.monerotalk.live/donate

TODAY'S SHOW: In this episode of Monero Talk, Douglas Tuman speaks with cryptographic engineer Sean Coughlin about "Grease," his proposed layer 2 payment channel protocol for Monero.

They delve into its technical design, how it compares to Bitcoin’s Lightning Network, and its potential to streamline Monero transactions by enabling off-chain payments without routing complexities. Sean shares insights from MoneroKon, discusses Monero’s resilience despite theoretical attack vectors, and explains how Grease aligns with upcoming upgrades like Full Chain Membership Proofs (FCMP++). He also touches on real-world use cases, wallet integration, and Grease’s flexible, decentralized approach aimed at boosting Monero’s usability and innovation.

TIMESTAMPS:
(00:03:40) Sean's background and involvement in Monero development
(00:06:29) Privacy strength of Monero and resistance to chain analysis
(00:10:21) Comparisons to other privacy coins (e.g., Zcash)
(00:12:26) MoneroKon research papers and Eclipse attacks on nodes.
(00:14:35) Discussion on Full Chain Membership Proofs (FCMP++) and its progress.
(00:18:37) Clarifying Zero-Knowledge Proofs and Monero's cryptographic foundation.
(00:22:11) History and capabilities of Turing-complete ZKPs in other projects.
(00:26:16) Philosophy of "minimaxing" – Monero focuses only on privacy.
(00:27:19) Debating if Monero needs to become Turing complete.
(00:31:05) Introduction to "Grease" – Monero-compatible payment channel proposal.
(00:31:42) Technical hurdles for payment channels in Monero (e.g., no transaction chaining).
(00:35:01) Feasibility of Grease today vs. post-FCMP++.
(00:36:38) Clarifying the benefits and use cases of Grease (instant payments, off-chain privacy).
(00:39:39) Why Layer 2 doesn’t conflict with Monero’s scaling philosophy.
(00:46:41) Grease vs. Bitcoin Lightning Network
(00:56:05) Feedback from MoneroKon and Reddit – cautious optimism from developers.
(01:05:39) Trade-offs: centralization vs. security in protocol design

GUEST LINKS:
https://x.com/seanrcoughlin

Purchase Cafe & tip the farmers w/ XMR! https://gratuitas.org/

Purchase a plug & play Monero node at https://moneronodo.com

SPONSORS:
Cakewallet.com, the first open-source Monero wallet for iOS. You can even exchange between XMR, BTC, LTC & more in the app! Monero.com by Cake Wallet - ONLY Monero wallet (https://monero.com/)

StealthEX, an instant exchange. Go to (https://stealthex.io) to instantly exchange between Monero and 450 plus assets, w/o having to create an account or register & with no limits.

WEBSITE: https://www.monerotopia.com
CONTACT: monerotalk@protonmail.com
ODYSEE: https://odysee.com/@MoneroTalk:8
TWITTER: https://twitter.com/monerotalk
FACEBOOK: https://www.facebook.com/MoneroTalk
HOST: https://twitter.com/douglastuman
INSTAGRAM: https://www.instagram.com/monerotalk
TELEGRAM: https://t.me/monerotopia
MATRIX: https://matrix.to/#/%23monerotopia%3Amonero.social
MASTODON: @Monerotalk@mastodon.social
MONERO.TOWN: https://monero.town/u/monerotalkAny donation is greatly appreciated!Any donation is greatly appreciated!

Jaksot(693)

How do I fund a Monero project? With Diego Salazar, aka Rehrar

How do I fund a Monero project? With Diego Salazar, aka Rehrar

Don't forget to SUBSCRIBE! The more subscribers, the more we can help Monero grow! 🚀 TODAY'S 🎙SHOW: We talk with Diego Salazar, aka Rehrar, aka the Gamemaster, the creator of Monero games, and the ...

23 Loka 201857min

Monero Coffee Chat - 2018.10.20

Monero Coffee Chat - 2018.10.20

20 Loka 20181h 9min

Monero with Benedikt Bünz, author of Bulletproofs

Monero with Benedikt Bünz, author of Bulletproofs

Don't forget to SUBSCRIBE! The more subscribers, the more we can help Monero grow! 🚀 TODAY'S 🎙SHOW: Monero implemented Bulletproofs today and as promised we are seeing smaller transaction sizes and...

18 Loka 20181h 21min

Monero & the Importance of Privacy in Crypto w/ Michael Casey

Monero & the Importance of Privacy in Crypto w/ Michael Casey

Don't forget to SUBSCRIBE! The more subscribers, the more we can help Monero grow! 🚀 TODAY'S 🎙SHOW: Michael J. Casey, the chairman of CoinDesk's advisory board and a senior advisor for blockchain r...

11 Loka 201837min

Articmine of Core on the Architecture of Monero

Articmine of Core on the Architecture of Monero

Don't forget to SUBSCRIBE! The more subscribers, the more we can help Monero grow! 🚀 TODAY'S 🎙SHOW: Talking with Francisco Cabanas, aka ArticMine, of the Monero Core Team. We will discuss Monero in...

3 Loka 201857min

Monero IOS Cake Wallet Keeps Getting Better

Monero IOS Cake Wallet Keeps Getting Better

Don't forget to SUBSCRIBE! The more subscribers, the more we can help Monero grow! 🚀 TODAY'S 🎙SHOW: A chat with Vik, the founder of the first IOS Monero wallet on why he created Cake, how cake beca...

1 Loka 20181h 10min

Monero Coffee Chat - 2018.09.22

Monero Coffee Chat - 2018.09.22

22 Syys 201837min

Monero $18,000 in 5 years? A talk with Satis Group.

Monero $18,000 in 5 years? A talk with Satis Group.

Don't forget to SUBSCRIBE! The more subscribers, the more we can help Monero grow! 🚀 TODAY'S 🎙SHOW: The Satis Group recently published a research report that explores the potential valuation of the...

20 Syys 20181h 8min