Coinbase Is Not Purely a Crypto Stock—AI Payments Are Restructuring Its Valuation

Author: Artemis

Translation & Compilation: TechFlow

TechFlow Intro: Wall Street views Coinbase as a crypto brokerage whose valuation rises and falls with Bitcoin—and assigns it a valuation half that of Circle. Yet data shows 92.8% of AI agent payments occur on Base, and 99.8% settle in USDC. Coinbase has already become the foundational infrastructure for AI-native finance—not merely an exchange. If McKinsey’s $5 trillion forecast for AI agent commerce by 2030 is realized even halfway, Coinbase’s valuation logic must be rewritten.

Bull Case for Coinbase Becoming a $300 Billion Company by 2031

Core Thesis: Most investors view Coinbase as a cyclical crypto brokerage whose fortunes rise and fall with Bitcoin price and crypto trading volumes. This narrow lens overlooks Coinbase’s substantial long-term upside: In a world where stablecoin supply reaches $3 trillion and AI agent commerce hits $5 trillion by 2031, Coinbase—as co-creator of USDC (under a preferential distribution agreement with Circle) and creator of x402 and Base (the current epicenter of AI agent commerce)—stands to capture enormous value.

Introduction

Artemis is a digital finance research firm focused on onchain data. We previously helped McKinsey estimate real-world stablecoin payment volume and have published extensively on AI agent commerce and the digital finance landscape in 2030. As crypto and AI converge, Coinbase will evolve beyond being a crypto exchange into becoming the settlement layer, distribution layer, and commerce layer of AI-native finance.

Most investors view Coinbase as a cyclical crypto brokerage, its performance tied to crypto trading volumes.

Unsurprisingly, Coinbase’s stock price moves in lockstep with other brokerages such as IBKR, Robinhood, and Schwab.

In contrast, Circle—pure play on stablecoin growth—commands a significantly higher valuation multiple (103.9x NTM P/E).

Coinbase can become a $300 billion company by 2031 (a 6x increase from today, representing a 35% CAGR), emerging as the primary winner in stablecoins and AI agent payments—not just as a crypto exchange. Full model available here.

Our core assumptions:

• Stablecoin supply reaches $3 trillion by 2031
• AI agent commerce volume reaches $7.5 trillion by 2031
• Our assumptions for core exchange business align with consensus—~$6 billion in trading revenue by 2028

What the market overlooks is that Coinbase benefits—and wins—from two generational tailwinds:

1. The rise of stablecoins and global demand for digital dollars. U.S. Treasury Secretary Scott Bessent forecasts stablecoin supply will reach $3 trillion by 2030 (a 10x increase from today). Bain & Company projects a 12x increase—or $3.8 trillion—by 2030.

2. The rise of AI agent commerce. McKinsey forecasts global AI agent commerce will reach $3–5 trillion by 2030. We estimate one-third of this volume will settle onchain using AI agent payment protocols such as x402 and MPP. We are already observing rapid growth in onchain AI agent payments:

Coinbase clearly benefits from both tailwinds—as the largest and most regulated USDC distributor, and as owner of the leading AI agent payment network—capturing commensurate value.

Even if institutions remain skeptical of DeFi or declare crypto “dead,” Coinbase will still win—not because of crypto or trading volumes, but because it becomes the most trusted and dominant stablecoin platform and AI agent payment infrastructure.

Why Coinbase Wins in Stablecoins

The market fails to recognize Coinbase as the clear winner in stablecoin growth—even as crypto trading volumes decline, stablecoin usage has historically shown a sustained upward trend.

The USDC distribution agreement is an asset of Coinbase—not Circle’s. Circle’s revenue share paid to Coinbase rose from 32% in 2022 to ~50% over the past two years. The structural rationale is straightforward: Coinbase earns ~100% yield on USDC held across its products, and receives a significant share from off-platform balances under the Payment Base waterfall mechanism. As Coinbase’s distribution scale grows (average USDC held across Coinbase products reached $17.8 billion in Q4 2025—a record high), its waterfall share grows proportionally.

From an investor’s perspective, this agreement more closely resembles Coinbase outsourcing regulatory and reserve management to Circle—not Circle paying Coinbase for distribution. The cooperation agreement lasts three years and automatically renews, provided three thresholds (product, company, and distributor) are met. Public filings indicate that if these thresholds are satisfied, “the Circle Agreement cannot be terminated.” Renewal is not a cliff-edge renegotiation—it’s a continuation lock-in. For Circle, exiting would mean cutting off its largest single distribution channel for USDC. For Coinbase, the upside scenario (regulatory clarity driving scaled stablecoin payments, massive USDC market cap expansion) flows directly through the same contractual share. The contract structure continuously reinforces Coinbase’s position—regardless of who runs Circle.

The Future Growth of USDC

Beyond Coinbase, we also see many compelling new use cases for USDC—especially within emerging protocols. USDC supply has surged over the past two years in protocols such as Polymarket, Hyperliquid, and MakerDAO. As new financial use cases emerge on blockchain platforms, we continue to see USDC adopted across them.

Coinbase is well-positioned to capture the next wave of stablecoin use cases—payments. Card-rail payment types (B2B, B2C) have increased sharply over the past year, and USDC continues gaining share in these transactions.

Examining address-to-address USDC transfers (a proxy for agent-driven activity), we see USDC gaining share relative to USDT.

Has the Market Misread the CLARITY Act?

The 2025 Digital Asset Market Structure Act (H.R. 3633), commonly known as the “CLARITY Act,” passed the U.S. House of Representatives on July 17, 2025, by a bipartisan vote of 294–134. The bill establishes a comprehensive federal regulatory framework for digital assets—excluding payment stablecoins. For Coinbase, the CLARITY Act represents the most consequential pending U.S. legislation affecting its regulatory environment, laying the foundation for a near-complete federal regulatory architecture governing the digital asset ecosystem in which Coinbase operates.

The CLARITY Act is also more materially relevant to Coinbase’s stablecoin economics than widely appreciated. The revenue stream generated by Coinbase’s distribution and reserve share arrangement with Circle—under current interest rate assumptions—rivals Circle’s issuer-level economics, while Coinbase’s USDC rewards program contributes another line—whose ultimate scale depends on the final drafting of the Tillis-Alsobrooks compromise. The market underestimates both the magnitude and durability of these stablecoin-related revenue lines, treating them as ancillary to the exchange business rather than as core infrastructure economics in their own right. The CLARITY Act strengthens this argument by formalizing a broader regulatory architecture for stablecoin clearing, settlement, and circulation—and explicitly designating registered intermediaries as the channels through which stablecoin institutional liquidity flows. It reframes Coinbase’s stablecoin business as the application layer of a regulated, rapidly institutionalizing system—not as a standalone consumer product line whose value fluctuates with retail token trading volumes.

Why Coinbase Wins in AI Agent Payments

Most investors consider Stripe (valued at $159 billion as of February 2026) and Tempo the clear winners in AI agent commerce—but onchain data tells a different story: 92.8% of real AI agent payments occur on Base, and 99.8% settle in USDC.

Across all AI agent payments, over 99.8% occur on x402—the open payment protocol pioneered by Coinbase.

AI agents are evolving from question-answering assistants into systems that transact on users’ behalf—purchasing APIs, data endpoints, compute, inference, and services at sub-cent economic units and machine speed.

Legacy card rails were never designed for this. A typical card transaction carries a fixed cost of ~$0.03–$0.04 before interchange fees—making a $0.003 API call economically unviable, off by two orders of magnitude. Stablecoin settlements on high-throughput L2s clear in seconds at fractions of a cent, with no human intervention required to establish billing relationships.

McKinsey forecasts global AI agent commerce sales will reach $3–5 trillion by 2030. Gartner estimates AI agents will mediate over $15 trillion in B2B procurement by 2028. Both figures are directional and should be interpreted accordingly; however, what is non-speculative is that if either materializes, it structurally favors stablecoin rails—and USDC is already the default choice, with Coinbase benefiting directly.

Data Scorecard

The x402 standard—a HTTP-native micro-payment protocol co-developed by Coinbase and now stewarded by the Linux Foundation—has become the leading open protocol for AI agent-initiated payments. Since October 2025, x402 has processed over 180 million AI agent payments, moving $47.5 million in AI agent spend across more than 5,000 merchants selling to AI agents.

When merchants make their services consumable by AI agents, Coinbase’s L2 and USDC are already the default payment rail. Moreover, Agentic.Market gives Coinbase a path to resource discovery. If AI agents use it to find, evaluate, and route to x402 services, value accrues not only through Base settlement and USDC volume—but also through Coinbase’s market position coordinating AI agent-to-service transactions.

How Coinbase Monetizes

Coinbase captures AI agent payment economics across four compounding revenue lines anchored on stablecoins: USDC float, Base settlement, CDP/AgentKit monetization, and Agentic.Market distribution.

USDC Reserve Yield. Coinbase’s highest-upside revenue line isn’t trading fees—it’s float. AI agent wallets require pre-funded balances to authorize autonomous spending, pay for APIs, cover usage-based services, and settle machine-to-machine commerce in real time. As AI agents become economic actors, the USDC balances held in Coinbase-controlled wallets become recurring, yield-generating deposits. Every dollar of USDC held by an AI agent generates reserve income—regardless of how frequently that dollar turns over.

Base Sequencer Economics. Every x402- or MPP-style transaction settled on Base becomes a sequencer transaction capable of generating priority fees. This line scales with transaction count—not just payment volume—which matters, because AI agent commerce may be higher-frequency and lower-ticket than human commerce. That said, sequencer fees may represent the smallest portion of upside, as per-transaction costs trend downward over time.

CDP, AgentKit, and Facilitator Monetization. Coinbase can monetize the developer layer enabling AI agents to hold wallets, manage permissions, sponsor gas, settle x402 payments, and interact with paid services. This includes facilitator fees on x402 transactions, wallet infrastructure, gasless transactions, key management, policy controls, and enterprise-grade developer tools. If CDP becomes the default infrastructure stack for AI agent payments, Coinbase earns platform revenue—even if final payment values are low.

Scalable Upside

We assume annual AI agent commerce reaches $5 trillion by 2030. Much of this will still route via cards, ACH, bank payments, and account-to-account rails—especially for large consumer and enterprise purchases. But machine-native, high-frequency, cross-border, API-driven commerce will disproportionately adopt stablecoins and payment standards like x402 and MPP.

In a bull case, ~20% of AI agent commerce settles via stablecoin rails—translating to $1.0–1.5 trillion annually in stablecoin-based AI agent payments. Illustrative bull-case revenue calculations follow:

• USDC Float: $200 billion average AI agent USDC balance × 4% reserve yield × 50% Coinbase attributable economics = $4 billion
• CDP/AgentKit/Facilitator/Agentic.Market: Developer subscriptions, wallet infrastructure, x402 facilitation, marketplace routing, provider analytics, and distribution fees = $750 million
• Base Sequencer: $250–300 billion in AI agent payments on Base, tens of billions of transactions, low per-transaction economics = $250 million

This points to ~$4.25 billion in annual Coinbase-attributable AI agent revenue. The critical insight is that true value accrues if Coinbase becomes the operational account, developer platform, discovery layer, and settlement rail for autonomous commerce—a trajectory on which it has made tremendous progress over the past few months.

Why Coinbase and USDC Win

Coinbase’s advantage lies in controlling four mutually reinforcing layers of the AI agent payment stack: USDC float, Base settlement, CDP/AgentKit infrastructure, and Agentic.Market discovery.

USDC is already the default settlement asset—meaning builders integrate it first, given its deepest tooling, liquidity, and developer support. Base then benefits as the natural settlement chain for USDC-native AI agent payments, offering low developer friction and growing facilitator coverage. CDP and AgentKit sit one layer up, providing developers with the wallets, key management, gas sponsorship, and payment infrastructure needed to make AI agents economically active. Finally, Agentic.Market can serve as the discovery and routing layer for AI agents to find, compare, and consume x402-enabled services. Competitors entering this space would need to replicate liquidity, settlement, developer infrastructure, and distribution simultaneously—and every new AI agent, merchant, and service makes the existing Coinbase stack harder to displace.

Conclusion

The market sees Coinbase as a crypto exchange, overlooking the AI-native financial platform it is building. Global leaders forecast $3 trillion in stablecoin supply and $5 trillion in AI agent commerce by 2030—and stablecoins have already decoupled from crypto prices. Coinbase has positioned itself to win in that world—and is already showing early leadership. x402, USDC, and Base have become the de facto standard stack for AI agent commerce, with each layer commanding >90% share against competitors. Coinbase occupies a unique position: it built Base, incubated x402, and secured a preferential share in USDC economics. The mispricing rests on three legs. First, the Circle agreement structure is a continuation lock-in—not a renewable contract—making stablecoin revenue durable, not contingent. Second, the CLARITY Act formalizes the regulated infrastructure layer Coinbase already operates, repricing its business from a consumer product to a core market utility. Third, the four-layer AI agent stack (USDC, Base, CDP, Agentic.Market) compounds reflexively—each new AI agent and merchant deepens the moat. Coinbase’s stock should trade closer to infrastructure peers—not brokerages. We believe Coinbase will become a $300 billion company, powered by these generational tailwinds—with most revenue derived from subscription- and service-based lines like stablecoins and AI agent commerce.

Disclosure: This material is for informational purposes only and does not constitute investment advice, financial advice, trading advice, or any other form of advice. The views expressed are those of the author and should not be construed as recommendations to buy, sell, or hold any asset. The author or affiliated entities may hold positions in the assets discussed. You should conduct your own research and consult appropriate financial professionals before making any investment decisions.