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The Stablecoin Chain Wars: Codex’s Bet on On-Chain FX | Cofounder Haonan Li

Bankless

[email protected]

Tech News, News, Technology

4.81.1K Ratings

🗓️ 6 November 2025

⏱️ 59 minutes

🧾️ Download transcript

Summary

Payment chains are heating up. Not every “stablecoin chain” is playing the same game. Codex cofounder and CEO Haonan Li joins David to map the real landscape: what neutrality looks like in practice, why the bottleneck isn’t TPS but fiat-to-stable friction, and how on-chain FX could pull global flows. We dig into the Bear-Chain incentive trap. Why Codex chose to build as an Ethereum L2. The case for app-specific rollups that return value to ETH. And the growing split between projects that bundle value toward Ethereum and those that pull it away. --- 📣SPOTIFY PREMIUM RSS FEED | USE CODE: SPOTIFY24 https://bankless.cc/spotify-premium --- BANKLESS SPONSOR TOOLS: 🪙FRAXNET | MINT, REDEEM, EARN https://bankless.cc/fraxnet 🦄UNISWAP | SWAP ON UNICHAIN https://bankless.cc/unichain 🛞MANTLE | MODULAR L2 NETWORK https://bankless.cc/Mantle 💤EIGHT SLEEP | IMPROVE YOUR SLEEP https://bankless.cc/eight-sleep 💠BIT DIGITAL ($BTBT) | ETH TREASURY https://bankless.cc/bit-digital We’re being compensated by Bit Digital (NASDAQ BTBT) for this segment promoting their company and BTBT. The compensation is paid in cash as a one time payment. You can find additional information about Bit Digital and BTBT on their Investor page at https://bit-digital.com/investors --- TIMESTAMPS 0:00 Intro 1:10 Codex’s Market Positioning 2:24 How Stablecoin Chains Differ 4:55 Neutrality For Chains And Customers 8:11 Codex’s Focus: Fiat Friction & Wholesale FX 14:16 The Golden Goose: On-Chain Transfers Vs On-Ramps 17:49 Liquidity, Demand, Exotics: The Case For On-Chain FX 24:55 Why An Ethereum L2: Technical & Economic Rationale 32:50 Founding Codex, Contrarian Thesis & Focused L2s 40:23 Community Dynamics, Tempo, Bundlers Vs Unbundlers 1:00:16 Closing Thoughts --- RESOURCES Haonan Li https://x.com/haonan Codex https://www.codex.xyz/ --- Not financial or tax advice. See our investment disclosures here: https://www.bankless.com/disclosures

Transcript

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0:00.0

Most cross-border transactions involve an FX component.

0:04.4

And so if you are the cheapest place for FX to happen, that chain will be a natural magnet for all these stable coin flows.

0:11.9

We want to be the cheapest place for T to C swaps.

0:15.0

You want to be the cheapest place, fastest place to do this Fiat stable swaps as well.

0:19.4

This is not what typically happens at a chain company. A chain company classically doesn't want to think this Fiat stable swaps as well. This is not what typically happens at a chain

0:21.5

company. A chain company classically doesn't want to think about Fiat. Why would you think about Fiat? I'm at a crypto company. Why would I think about Fiat? If you think about the reality of these systems, like how do you make it so that stable coins aren't just useful to the like people in crazy countries and like crazy situations. Well, you need to make the friction go down to zero. You need to make it so that moving

0:41.2

between a, you need to make the friction go down to zero. You need to make it so that moving between a unit of fiat and stables is frictionless on a cost and speed basis. You need to delete the border between fiat and crypto. So that's what we are focused on. We're staffed against that. We wake up every morning. We think about this. How do we delete

0:54.5

this border? Make it go to zero. Bankless Nation, I'm with Hounan, the co-founder and CEO of

1:01.5

Codex. Codex is a stable coin focused layer two on top of Ethereum. Howan, welcome to

1:07.0

Bankless. Hey, David. Good to see you. So you are working in a pretty competitive part of the market.

1:13.7

There's Stripes tempo. There's Circles Arc. There's plasma. There's stable.

1:17.8

Not to mention the deep incumbent to Tron. Competitive. Are you intimidated?

1:23.8

You know, I think there's a ton of competition if you think about it from the perspective of a VC

1:28.5

PowerPoint slide. If you had a category that said staple coin chain, you would have all these

1:34.1

logos. I think what that abstracts away is actually most of the reality and the detail underneath.

1:41.7

And the reality is that these different chains are pursuing totally different

1:46.3

directions. And I can just say for us, I can't speak for others, when we are going to market

1:51.4

against our customers, we don't really hear about any of these other chains. We don't hear

1:56.4

about plasma and stable because they've taken this sort of maybe more bear chain type approach.

2:01.5

We don't hear about arc or tempo.

2:04.3

Perhaps it's perhaps not quite clear exactly what it is they want to do yet.

2:09.0

And so we just see all these charts going up and to the right and we're growing a lot.

...

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