Coinbase is not entirely a crypto stock; AI payments are reshaping its valuation.

Author: Artemis

Compilation: Deep Tide TechFlow

Deep Tide Guide: Wall Street treats Coinbase like a broker that tracks Bitcoin’s rise and fall, valuing it at half of Circle. But the data show that 92.8% of AI agent payments occur on Base, and 99.8% are settled in USDC—Coinbase has already become the underlying infrastructure for AI-native finance, not just an exchange. If McKinsey’s forecast that the AI agent commerce market could reach $5 trillion by 2030 even materializes halfway, Coinbase’s valuation logic will need to be rewritten.

The Bull Case for Coinbase Becoming a $300 Billion Company in 2031

Core View: Most people see Coinbase as a crypto broker that moves with fluctuations in Bitcoin and crypto trading volume. This narrow perspective ignores Coinbase’s long-term upside—within the world of 2031, where stablecoin supply reaches $3 trillion and AI agent commerce reaches $5 trillion, Coinbase will capture immense value as the co-creator of USDC (with favorable distribution allocation agreements signed with Circle) and the creator of x402 and Base (where AI agent commerce happens today).

Introduction

Artemis is a digital financial research firm focused on on-chain data. We have helped McKinsey estimate actual stablecoin payment volumes, and have written extensively about AI agent commerce and the digital finance landscape in 2030. As crypto and AI converge, Coinbase will no longer be merely a crypto exchange—it will become the settlement layer, distribution layer, and commerce layer of AI-native finance.

Most people see Coinbase as a cyclical crypto broker.

Unsurprisingly, Coinbase’s performance is consistent with other brokers such as IBKR, Robinhood, and Schwab.

Meanwhile, Circle, betting solely on stablecoin growth, commands a much higher valuation multiple (103.9x NTM P/E).

In 2031, Coinbase could become a $300 billion company (6x versus today, with a 35% CAGR), emerging as the main winner in stablecoin and AI agent payments—not just a crypto exchange. See the full model here.

Our core assumptions:

Stablecoin supply reaches $3 trillion by 2031

AI agent commerce volume reaches $7.5 trillion by 2031

Our assumptions for the core exchange business are consistent with the market—trading revenue of about $6 billion in 2028.

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

1. The rise of stablecoins and global demand for digital dollars. U.S. Treasury Secretary Scott Bessent predicts that stablecoin supply will reach $3 trillion in 2030 (10x growth versus today). Bain estimates that supply will grow 12x by 2030, or $3.8 trillion.

2. The rise of AI agent commerce. McKinsey predicts that the global AI agent commerce market will be $3–5 trillion in 2030. We expect that 1/3 of the commerce volume will be settled on-chain and use AI agent payment protocols such as x402 and MPP. We currently observe rapid growth in on-chain AI agent payments:

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

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

Why Coinbase Wins from Stablecoins

The market doesn’t understand that Coinbase is the clear winner of stablecoin growth—even as crypto trading volume declines, stablecoin usage has historically continued an upward trend.

USDC distribution agreements are Coinbase’s assets, not Circle’s. The revenue share that Circle pays Coinbase from USDC distribution has risen from 32% in 2022 to about 50% over the past two years. The structural reasons are straightforward: Coinbase earns roughly 100% yield on USDC held across its products, and also receives a substantial share from off-platform balances under the Payment Base waterfall mechanism. As Coinbase’s distribution scale grows (in Q4 2025, Coinbase’s average USDC held in its products reaches $17.8 billion, a historical high), its waterfall share grows as well.

From an investor’s perspective, the agreement is closer to Coinbase outsourcing regulatory and reserve management to Circle, rather than Circle paying Coinbase for distribution. The partnership agreement is for 3 years with automatic renewal, conditioned on meeting three thresholds (product, company, and dealer). Public filings show that if those thresholds are met, “the Circle agreement cannot be terminated.” The renewal mechanism is not a renegotiation cliff—it is a continuation lock-in. For Circle, leaving would mean cutting off its largest single USDC distribution channel. For Coinbase, the bullish scenario (regulatory clarity directly pushing stablecoin payments toward scale, with USDC market cap expanding significantly) would flow straight through the same contractual shares. The structure of this agreement keeps strengthening Coinbase’s position, regardless of who runs Circle.

The Future Growth of USDC

Beyond Coinbase, we also see many interesting use cases for USDC—especially within emerging protocols. We observe that USDC supply growth within protocols such as Polymarket, Hyperliquid, and MakerDAO has risen sharply over the past two years. As new financial use cases emerge on blockchain platforms, we see USDC continuing to be used within these protocols.

Coinbase is well-positioned to capture the next wave of stablecoin use cases—payments. Payment types on card rails (B2B, B2C) have increased significantly over the past year, and USDC keeps gaining share in these transactions.

By observing USDC’s address-to-address transfers (a proxy metric for agent activity), we can see that USDC is gaining relative share versus USDT.

Is the Market Misreading the CLARITY Act?

The 2025 digital asset market bill (H.R. 3633), commonly referred to as the “CLARITY Act,” passed the U.S. House of Representatives on July 17, 2025, by a bipartisan vote of 294-134. The bill will establish a comprehensive regulatory framework for digital assets beyond payment stablecoins. For Coinbase, the CLARITY Act represents the most important pending U.S. legislation in the regulatory environment for the company—building a basic, complete federal regulatory architecture for the digital asset ecosystem Coinbase operates.

The relevance of the CLARITY Act to Coinbase’s stablecoin economics is also larger than most people recognize. The revenue streams generated by Coinbase and Circle’s distribution and reserve-share arrangements, under current interest rate assumptions, can be comparable to Circle’s own economics at the issuer layer. Additionally, Coinbase’s USDC rewards program provides another revenue line, whose final scale depends on how the final drafting of the Tillis-Alsobrooks compromise is completed. The market has underestimated both the scale and durability of these stablecoin-related revenue lines—treating them as an accessory to exchange business, rather than as core infrastructure economics. The CLARITY Act reinforces this argument by formalizing a broader regulatory framework for stablecoin clearing, settlement, and circulation—explicitly recognizing the registered intermediary institutions through which stablecoin institutional capital flows. It redefines Coinbase’s stablecoin business as an application layer within a regulated and rapidly institutionalized system, rather than as a standalone consumer product line whose value fluctuates with retail token trading volume.

Why Coinbase Wins in AI Agent Payments

Most investors believe Stripe (valued at $159 billion as of February 2026) and Tempo are the clear winners in AI agent commerce, but on-chain data indicate otherwise: 92.8% of real AI agent payment volume occurs on Base, and 99.8% is settled in USDC.

Across all AI agent payment volume, over 99.8% occurs on x402—which is Coinbase’s pioneering open payment protocol.

AI agents are shifting from question-answering assistants to systems that act on behalf of users, purchasing APIs, data endpoints, compute, inference, and services at sub-cent economics and at machine speed.

Existing card rails were not designed for this. Typical card transactions have fixed costs of about $0.03 to $0.04 before interchange fees, making $0.003 API calls economically unworkable—off by two orders of magnitude. Stablecoins settled on high-throughput L2s clear within seconds at a cost of fractions of a cent, without the need for manual intervention to establish billing relationships.

McKinsey forecasts global AI agent commerce sales of $3–5 trillion by 2030. Gartner estimates that by 2028, AI agents will mediate over $15 trillion in B2B procurement. Both figures are directional; they should be treated as such. However, what is not speculative is that if either materializes, it structurally prefers stablecoin rails, and USDC is already the default choice—so Coinbase directly benefits.

Data Scoreboard

The x402 standard is Coinbase’s co-developed HTTP-native micropayment protocol (now managed by the Linux Foundation). It has become the leading open protocol for AI agent-initiated payments. Since October 2025, x402 has processed more than 180 million AI agent payments, moving $47.5 million in AI agent spending across more than 5,000 merchants selling to AI agents.

When merchants make their services available for consumption by AI agents, Coinbase’s L2 and USDC are the default payment rails. In addition, Agentic.Market gives Coinbase a path to own resource discovery. If AI agents use it to find, evaluate, and route to x402 services, value is captured 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 through four compound revenue lines centered on the stablecoin pillar: USDC float, Base settlement, CDP/AgentKit monetization, and Agentic.Market distribution.

USDC reserve yield. Coinbase’s highest upside revenue line is not trading fees—it is float. AI agent wallets need pre-funded balances to authorize autonomous spending, pay 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 wallets Coinbase controls become recurring, yield-generating deposits. Every dollar of USDC held by AI agents generates reserve income, regardless of how quickly that dollar turns over.

Base sequencer economics. Every x402 or MPP-style transaction settled on Base becomes an order that can generate priority fees. This line expands with the number of transactions rather than only with payment volume, which is important because AI agent commerce may have higher frequency and smaller ticket sizes than human commerce. In other words, sequencer fees could be the smallest part of the upside, since transaction costs trend lower over time.

Monetization via CDP, AgentKit, and facilitators. Coinbase can monetize a developer layer that enables AI agents to hold wallets, manage permissions, sponsor gas, settle x402 payments, and interact with paid services. This includes facilitator fees for x402 transactions, wallet infrastructure, gasless transactions, key management, policy control, and enterprise developer tools. If CDP becomes the default infrastructure stack for AI agent payments, then even if the final payment value is low, Coinbase can still earn platform revenue.

The Scalable Upside

We assume that by 2030, AI agent commerce will reach an annual scale of $5 trillion. Most of it will still route through cards, ACH, bank payments, and account-to-account rails—especially for large consumer and enterprise procurement. But machine-native, high-frequency, cross-border, API-based commerce will disproportionately use stablecoins and payment standards such as x402 and MPP.

In a bullish scenario, about 20% of AI agent commerce settles through stablecoin rails. That implies $1.0–1.5 trillion per year in stablecoin-based AI agent payments. The illustrative bullish revenue calculations are as follows:

USDC float: $200 billion average AI agent USDC balance × 4% reserve yield × 50% Coinbase attributable economics = $4.0 billion

CDP/AgentKit/facilitators/Agentic.Market: developer subscriptions, wallet infrastructure, x402 facilitation, market routing, provider analytics, and distribution fees = $750 million

Base sequencer: $250–300 billion in AI agent payment volume on Base, with hundreds of millions of transactions, using low per-transaction economics = $250 million

This points to approximately $4.25 billion in annual Coinbase attributable AI agent revenue. The key conclusion is that if Coinbase becomes the operating accounts for autonomous commerce, the developer platform, the discovery layer, and the settlement rail, then real value will compound—and they have already made significant progress on this over the past few months.

Why Coinbase and USDC Win

Coinbase’s advantage is that it controls 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 because it has the deepest tooling, liquidity, and developer support. Then Base benefits as the natural settlement chain for USDC-native AI agent payments, with low developer friction and a growing facilitator footprint. CDP and AgentKit sit one layer higher, providing developers with the wallets, key management, gas sponsorship, and payment infrastructure needed for AI agents to be economically active. Finally, Agentic.Market can become the discovery and routing layer for AI agents to find, compare, and consume services that support x402. Competitors entering this market need to replicate liquidity, settlement, developer infrastructure, and distribution at the same time—while each new AI agent, merchant, and service makes it even harder to replace the existing Coinbase stack.

Conclusion

The market views Coinbase as a crypto exchange and ignores the fact that they are building an AI-native financial platform. Global leaders predict that by 2030 stablecoin supply will reach $3 trillion and AI agent commerce will reach $5 trillion, while stablecoins have already decoupled from crypto prices. Coinbase has positioned itself to become the winner in that world and has shown early leadership. x402, USDC, and Base have become the de facto standard stack for AI agent commerce, and each layer’s market share exceeds 90% for competitors. Coinbase is in a unique position: it has developed Base, incubated x402, and gained favorable share in USDC economics. Mispricing has three legs. First, Circle’s protocol structure is a continuation lock-in rather than a renewable contract, meaning the stablecoin revenue line is durable rather than risky. Second, the CLARITY Act formalizes the regulated infrastructure layer Coinbase is already operating, repricing the business from a consumer product line to a core market pipeline. Third, the four-layer AI agent stack (USDC, Base, CDP, Agentic.Market) is self-reinforcing—each new AI agent and merchant makes the moat harder to attack. Coinbase’s trading should be closer to an infrastructure comp group than a broker comp group. We believe Coinbase will become a $300 billion company by riding these generational tailwinds, with most revenue coming from stablecoin and AI agent commerce subscription and service lines.

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

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