Onigiri Weekend Digest: Institutional Lens #30

🌐 Website | 💼 Linkedln | 📰 Past Editions

Good weekend from Onigiri Capital.

This week’s two headlines are not just about stablecoins gaining attention. They are about stablecoins proving utility in two very different but equally important real-world settings.

Recap this Week's Headliners

SS #91 - Iran War Drives Stablecoin Adoption in Trade Finance

SS #92 - YC Settles First All-Stablecoin Deal in USDC

In one case, stablecoins are emerging as a trade settlement tool when geopolitical conflict, sanctions risk, and bank de-risking disrupt traditional financial channels. In the other, they are being used as a venture funding rail, where a top-tier accelerator has chosen USDC on Solana to move capital faster, cheaper, and more directly than conventional wires.

Taken together, the focus this week is clear: stablecoins are no longer defined by speculation or crypto-native trading activity alone. Their relevance is increasingly being shaped by use case adoption. They are being tested as infrastructure for cross-border trade, treasury movement, capital deployment, and operational settlement. That shift matters far more than the individual transaction sizes involved, because it shows where stablecoins are starting to fit into actual economic workflows..

Enjoy the read!

You read and share. We listen and improve. Send us feedback at [email protected].

🍙 Onigiri Take

Stablecoins are no longer winning only where crypto is native. They are winning where legacy finance is weakest.

In the Iran-related trade-finance story, the trigger is geopolitical fragmentation: sanctions risk, counterparty risk, and debanking pressure are pushing parts of commodity finance away from traditional bank rails and toward dollar stablecoins, especially USDT. In the YC story, the trigger is operational efficiency: lower cost, near-instant settlement, and programmable treasury movement using USDC on Solana. Different motivations, same result. Stablecoins are increasingly becoming the fallback layer when the traditional stack is either too risky, too slow, or too expensive.

Our view is that this is the more important inflection than any single issuance milestone or market-cap headline. The market is shifting from “stablecoins as assets” to “stablecoins as settlement infrastructure.” In conflict zones and politically exposed corridors, they act as resilience rails. In venture funding and startup treasury, they act as efficiency rails. Once both of those functions coexist, adoption broadens well beyond crypto-native users. 

🍙 Winners & Losers: Institutional Outlook

🍙 Under the Hood: Stablecoins Are Becoming the Neutral Rail in a Fragmented Financial System

The Iran-related headline matters because it is not primarily about speculation. It is about what happens when traditional finance refuses to intermediate. CoinDesk reported that some European commodity traders are being debanked over Iran-linked exposure concerns, pushing them toward stablecoins as a workaround, while the broader trade-finance ecosystem remains heavily dependent on traditional banking rails. That turns stablecoins into a practical bridge for real-world trade flows, not just crypto trading.

This is structurally important for three reasons.

First, it expands the stablecoin narrative from retail payments and exchange liquidity into trade finance. Trade finance is operationally large, documentation-heavy, cross-border, and bank-dependent. Once stablecoins start entering these flows, they are no longer just used to move funds faster; they begin to sit inside working-capital and settlement infrastructure. That materially enlarges the addressable market. The often-cited figure in the coverage is a roughly $2 trillion trade-finance market dependent on rails now under stress from geopolitical de-risking.

Second, it shows that different stablecoins may win different market segments. USDT appears to be benefiting where users need reach, liquidity, and tolerance for imperfect environments. USDC appears to be benefiting where institutions want cleaner treasury workflows and brand comfort around regulated, enterprise-facing usage. The market is not converging to one universal winner; it is segmenting by use case.

Third, the YC / Totalis transaction is powerful precisely because it is mundane. Reports indicate YC settled its first all-stablecoin investment by sending $500,000 in USDC to Totalis on Solana, with the funds held through Ramp, and Garry Tan indicated that stablecoin payouts are available to YC-backed startups more broadly. Earlier reporting from Fortune said founders in YC’s spring 2026 batch could choose to receive funds in USDC on networks including Ethereum and Solana. That is not a crypto headline. It is a treasury and operations headline.

The downstream implication is clear: when elite startup capital formation begins to use stablecoins, onchain settlement gets normalized for law firms, fund admins, founders, payroll stacks, spend management tools, and secondary layers of treasury software. Stablecoins become embedded not just in payments, but in the workflow around company formation and venture disbursement.

🍙Stablecoin ≠ Crypto — It Is Becoming the Operating System for Dollar Movement

The most important mistake in the market today is still to classify stablecoins as merely a subset of crypto.

These two stories show why that framing is increasingly outdated. In one case, stablecoins are acting as geopolitical fallback infrastructure when sanctioned or high-risk corridors become hard to bank. In the other, they are functioning as software-native treasury rails for startup investing. Neither use case depends on users caring about “crypto” as an asset class. They care about dollars that move faster, settle globally, and plug into digital workflows.

That is why the better framing is this: stablecoins are becoming the operating system for moving dollars across fragmented financial environments. They are useful when trust is low, when intermediaries retreat, when geography matters, and when speed matters. The asset wrapper may be crypto-native, but the economic function is increasingly mainstream finance.

🍙 Institutional Risks & Unknowns

The bullish case is real, but so are the unresolved risks:

1. Sanctions and compliance remain the biggest fault line. Stablecoins may route around debanking, but that does not eliminate exposure to enforcement, blacklisting, frozen balances, or reputational contagion for counterparties touching politically sensitive flows. Research on Iran’s use of stablecoins for sanctions evasion reinforces that regulators will keep focusing on this vector.

2. There is also a concentration problem. Much of this adoption still depends on a narrow set of issuers, chains, custody layers, and middleware providers. The YC case, for example, combines USDC, Solana, and Ramp. Efficient, yes. But it also highlights that the new financial stack is only as resilient as its key infrastructure dependencies.

3. A third unknown is whether banks respond by rebuilding around stablecoin rails instead of ceding the edge. If they do, stablecoins may still win, but as bank-wrapped products rather than crypto-native ones. That would compress margins for pure-play intermediaries while favoring licensed distribution and compliance-first infrastructure. This is an inference from the current direction of institutional adoption and regulatory framing.

Onigiri Capital (onigiri.vc), a US$50 million blockchain-focused investment fund, launched by Saison Capital, the venture arm of Japan’s Credit Saison. Onigiri Capital is on a mission to chart the next chapter of finance and invest in seed and Series A blockchain startups in stablecoins, payments, RWAs, DeFi and financial infrastructure. The fund’s strategy emphasizes connecting startups to Asia’s growing digital asset markets.

If you'd like to discuss or contribute to the next Institutional Lens, contact us at [email protected]

Disclaimer: All the information presented in this publication and its affiliates is strictly for educational purposes only. It should not be construed or taken as financial, legal, investment, or any other form of advice.