The Stablecoin Chain Wars: Codex’s Bet on On-Chain FX

Here's a comprehensive summary of the YouTube video transcript, maintaining the original language and technical precision:

Key Concepts

• Cross-border Transactions: Transactions that involve moving money or assets between different countries.
• FX Component (Foreign Exchange): The part of a cross-border transaction that involves converting one currency to another.
• Fiat Stable Swaps: The exchange of traditional currencies (like USD, EUR) for stablecoins (cryptocurrencies pegged to a stable asset, usually a fiat currency).
• Layer 2 (L2) Solutions: Scalability solutions built on top of a base blockchain (Layer 1) like Ethereum, designed to increase transaction speed and reduce costs.
• Bare Chain Playbook: A strategy for launching a new blockchain by issuing a token, attracting liquidity through incentives, and then attempting to retain it by replicating existing DeFi applications.
• Mercenary Farmers: Users who move their assets to a new chain primarily to earn token incentives, often selling quickly once those incentives diminish.
• Neutrality: In the context of blockchain, the principle that a chain should not favor specific companies or entities, allowing competitors to build on it without fear of their infrastructure being used by a rival.
• Wholesale FX Flows: Large-volume foreign exchange transactions, typically conducted between financial institutions.
• Onchain FX: Performing foreign exchange transactions directly on a blockchain.
• EVM (Ethereum Virtual Machine): The runtime environment for smart contracts on Ethereum and other EVM-compatible blockchains.
• Superchain: A concept, particularly associated with Optimism, where multiple L2s are interconnected and share certain properties, aiming for interoperability.
• General Purpose L2s: L2 solutions designed to support a wide range of applications (DeFi, NFTs, etc.).
• App-Specific L2s (Narrow Chains): L2 solutions focused on a particular use case, such as stablecoins or payments.
• Parasitic L2s: L2 solutions that fragment the user base and do not add significant value or economic accrual back to the L1.
• Bundlers vs. Unbundlers (of Ethereum): Bundlers aim to strengthen and integrate with the Ethereum ecosystem, while unbundlers seek to replicate or improve specific functionalities of Ethereum on separate chains.

Codex: Deleting the Border Between Fiat and Crypto

The core mission of Codex, as articulated by Hanand, co-founder and CEO, is to eliminate the friction between fiat and crypto, specifically focusing on making fiat stable swaps as seamless as possible. This involves becoming the cheapest and fastest venue for these transactions, a departure from traditional crypto-native companies that often ignore fiat. The ultimate goal is to "delete the border between fiat and crypto."

Competitive Landscape and Differentiated Approaches

The stablecoin chain market is competitive, with players like Stripe's Tempo, Circle's Arc, Plasma, Stable, and the incumbent Tron. However, Hanand argues that these chains are pursuing fundamentally different directions, and Codex doesn't see direct competition from many of them in their go-to-market approach.

• Bare Chain Playbook (e.g., Plasma, Stable): This approach involves launching a token, attracting liquidity through incentives, and then replicating existing DeFi applications. Hanand criticizes this as leading to "mercenary farming" where users dump tokens, driving down prices, and requiring ever-increasing incentives to retain liquidity, ultimately leading to a collapse.
• Neutrality Concerns (e.g., Tempo, Arc): Hanand raises concerns about neutrality for chains run by major fintech companies or stablecoin issuers. He questions whether a competitor to Stripe would build on Stripe's chain, or an issuer competing with Circle would build on Circle's chain. This lack of neutrality is seen as a significant barrier to adoption for competing businesses.
  • Codex's Stance: Codex positions itself as neutral because it does not run an issuer or a fintech company, thus not competing with its potential customers. While Plasma and Stable might have neutrality advantages, Hanand questions their focus on Tether, which could also raise neutrality questions.

The "Golden Goose" of Wholesale FX Flows

While many chains aim to capture stablecoin transaction volume, Codex's "golden goose" is the wholesale FX market.

• The Problem: Most cross-border transactions involve an FX component. The friction in converting fiat to stablecoins (on-ramps) is a major bottleneck. Traditional on-ramp startups have struggled due to chargebacks and an inability to upsell customers, leaving exchanges as the primary solvers of this problem.
• Codex's Solution: Codex aims to be the cheapest and fastest place for FX swaps, including fiat-to-stablecoin swaps. They are actively engaging with the "gunk" of fiat infrastructure, including opening bank accounts and obtaining licenses, which is contrarian for a crypto company.
• Onchain FX as a Holy Grail: The ability to move FX from offchain to onchain is a significant opportunity. Codex believes they have the pieces to achieve this, addressing two key problems:
  1. Liquidity for Non-USD Stables: Historically, non-USD stablecoins have lacked liquidity.
  2. Demand for Onchain FX: High costs, wider spreads, and technical risks have deterred demand for onchain FX.
• Focus on Exotic Currencies: Codex is particularly interested in exotic currencies, which are often the most eager to move off traditional rails. This aligns with a global shift where commerce is breaking down the traditional dollar-centric FX model, allowing direct swaps between currencies like Malaysian Ringgit and Singapore Dollar without going through USD. This represents a radical restructuring of global commerce.

Building on Ethereum: Technical, Economic, and Ideological Arguments

Codex is building as an Ethereum Layer 2, despite the current market sentiment favoring Layer 1s.

• Technical Argument:
  • Robustness and Stability: Leveraging Ethereum's battle-tested codebase provides a highly robust and stable foundation. Bugs are found at the programming language level, not the core Ethereum software.
  • Speed to Market: L2s offer faster development and deployment cycles compared to L1s.
  • Exit Hatch: L2s provide users with an inherent right to exit back to L1, offering a crucial safety net that alternative L1s lack. This is also a consideration for countries adopting the technology, providing an "exit hatch" in case of adverse actions.
• Economic Argument:
  • Stablecoin Dominance: Approximately 60% of all stablecoins are on Ethereum. Codex aims to sustain and grow Ethereum's dominance in this critical sector.
  • High-Value Transactions: Ethereum hosts higher-value stablecoin transactions compared to chains like Tron.
• Ideological/Emotional Argument:
  • Community Roots: Hanand and many early Codex team members grew up in the Ethereum community, fostering a strong belief in its values and long-term vision.
  • Neutrality and Global Settlement: Ethereum is seen as a credible neutral settlement layer for the world, aligning with Codex's mission.

The "Parasitic" L2 Debate and Codex's Value Proposition

The conversation touches on the debate around general-purpose L2s being "parasitic" to L1s by fragmenting user bases. Hanand argues that L2s need to be additive and focus on specific use cases that L1 cannot do well.

• Codex's Contribution: Codex's focus on stablecoins and FX is seen as a specific use case that L1 struggles to execute with the necessary speed and focus. By deeply specializing, Codex aims to:
  • Sustain Ethereum's Dominance: Keep stablecoin activity within the Ethereum ecosystem.
  • Return Economics to Ethereum: Eventually contribute back to Ethereum's economic security.
• Distinguishing from Threats: Hanand emphasizes the need to discern between true threats (like Tempo, which he views as an "Ethereum unbundler") and progress. Codex is positioned as an "Ethereum bundler," aligned with Ethereum's growth.
• App-Specific vs. General Purpose: The trend towards app-specific L2s (like Lighter for Perps) is seen as a positive development, allowing for focused product development and iteration loops that L1 cannot provide.
• Earning Legitimacy: Codex believes that L2s are not valid by default; they must earn their place by being net additive to the Ethereum ecosystem, either by addressing use cases better than L1, attracting new users/flows, or creating new functionality.

Reaction to Tempo's L1 Decision

Hanand acknowledges the complexity of Matt Hong's decision for Tempo to launch as an L1, citing the need to balance competing interests and avoid being constrained by Ethereum's roadmap. However, he reiterates his belief that L2 is the faster path to winning for specialized use cases like stablecoins.

The Future of Global Commerce and Stablecoins

The discussion concludes with the observation that geopolitical forces are playing out on-chain. The next half-decade will be crucial in deciding the future of stablecoins and global commerce, with Codex aiming to be at the forefront of this evolution.

Notable Quotes:

• "We want to be the cheapest place for TOC swaps. You want to be the cheapest place, fastest place to do this fiat stable swaps as well." - Hanand
• "You need to delete the border between fiat and crypto." - Hanand
• "Neutrality means something. What does it mean here? It means if you are a competing fintech from Stripe, do you really want to bet the future of your business on Stripe Chain?" - Hanand
• "The problem is the friction be going from fiat to stables." - Hanand
• "We deal with that gunk." - Hanand, referring to the complexities of fiat infrastructure.
• "General purpose L2s are parasitic to L1." - Hanand
• "The role of L2s is to get deep on one thing." - Hanand
• "Crypto is risky. Your sleep shouldn't be." - Advertisement for Eight Sleep
• "You are either unbundling Ethereum or you are a bundler of Ethereum." - David (host)
• "If a rollup is adding nothing other than existing, it is fragmenting the user base. That's the truth of it, right? So it better either address some use case better than L1. It better be attracting new users, better be attracting new flows, creating new functionality, or it really ought not exists." - Hanand