Key Takeaways
Nasdaq’s ambitious proposal to bring tokenized stocks into mainstream U.S. markets is facing resistance from an unexpected ally of blockchain innovation — Ondo Finance.
The blockchain asset firm has called on the U.S. Securities and Exchange Commission (SEC) to delay or even reject Nasdaq’s plan to enable trading of tokenized securities.
In an open letter to the regulator, Ondo warned that Nasdaq’s filing lacks transparency and may grant unfair advantages to large market participants, since crucial settlement details remain undisclosed.
This debate is about much more than a single exchange proposal, it’s a snapshot of how the United States is trying to balance financial innovation with fairness and investor protection in the age of blockchain.
+76
On Sept. 8, 2025, Nasdaq filed a rule-change proposal with the SEC that would allow it to list and trade tokenized securities, blockchain-based representations of traditional shares or exchange-traded funds (ETFs).
These tokenized shares would function as digital twins of conventional stocks, mirroring their rights, value, and identifiers, such as CUSIP numbers.
In essence, a tokenized share is still the same stock, it’s just recorded and transferred via blockchain technology rather than traditional electronic ledgers.
Nasdaq’s filing emphasizes that the move would not create a new crypto exchange or bypass regulations. Instead, the goal is to modernize existing infrastructure by using blockchain as a new settlement layer.
Orders for tokenized trades would be flagged in Nasdaq’s system and settled through the Depository Trust Company (DTC), the backbone of the U.S. post-trade settlement process.
Under the proposal:
Nasdaq argues that this system preserves market integrity while unlocking blockchain’s benefits, such as faster settlement, reduced reconciliation errors, and potential for real-time transparency.
The DTC is the clearinghouse responsible for settling nearly all U.S. stock trades. Its role in Nasdaq’s plan is critical: it would act as the bridge between traditional securities accounts and tokenized blockchain records.
Here’s how it would work:
This structure keeps total shares consistent between both systems. However, Nasdaq’s filing admits that DTC’s blockchain infrastructure is still in development. The exchange described its understanding of DTC’s plans as only a “preliminary sense of the process.”
That uncertainty, what Ondo calls a lack of transparency, lies at the heart of the controversy.
In October 2025, Ondo Finance submitted a detailed letter urging the SEC to pause Nasdaq’s proposal until more is known about how DTC’s system will work.
Ondo’s letter did not oppose tokenization itself, in fact, the company is one of the leading advocates for tokenizing real-world assets like the U.S. Treasuries and money market funds.
However, Ondo argued that Nasdaq’s plan rests on undisclosed information, creating an uneven playing field for market participants.
The firm’s main points to the SEC include:

Even Nasdaq admits its proposal cannot take effect until DTC’s system is finalized. Given that, Ondo contends there is no harm in delaying approval. Instead, the SEC should institute further proceedings, gather more information about DTC’s initiative, and allow for public review and feedback. This would ensure transparency, fairness, and regulatory consistency before implementation.
Ondo’s head of regulatory affairs, Peter Curley, urged the SEC to ensure open collaboration and transparent standards before making any ruling. The firm emphasized that tokenization should benefit the entire market, not just a select few with insider access.
Ondo Finance’s stance touches on a core principle of U.S. markets: equal access to information. If some firms have knowledge of or early access to DTC’s blockchain settlement system, they could build technology and services around it before others even know the details.
This could create competitive imbalances, where early movers gain operational advantages, faster settlements, better liquidity access, or lower transaction costs, while others struggle to catch up. Ondo’s letter frames this as not just a business issue but a market fairness concern.
Transparency is also essential for regulatory oversight. The SEC cannot effectively evaluate the safety or systemic risks of a new trading model without understanding how it operates.
Approving Nasdaq’s plan without full visibility into DTC’s blockchain infrastructure would set a precedent of trusting private systems without scrutiny, a risky move in highly regulated markets.
In short, Ondo is reminding regulators and exchanges that innovation should not outpace accountability.
The SEC now faces a delicate balancing act. On one hand, tokenization offers exciting potential for modernizing U.S. markets. On the other hand, the agency must ensure stability, fairness, and investor protection remain uncompromised.
Recent statements from SEC officials suggest that tokenization is a priority area of research. Commissioner Hester Peirce has described blockchain-based securities as a “high focus” for future regulation. The SEC even hosted a Tokenization Roundtable in mid-2025, exploring how distributed ledger technology could improve efficiency in traditional markets.
Given the technical uncertainties and Ondo’s public objections, it’s likely the SEC will extend its review period or request additional details from Nasdaq and DTC. The agency could:
Ondo’s intervention makes the second and third options more likely.
To understand why this debate is significant, it helps to grasp what tokenized securities are and why they’re considered the next frontier in financial infrastructure.
A tokenized security represents a traditional asset, such as a stock, bond, or ETF, on a blockchain. Each token corresponds 1:1 to the underlying asset, maintaining the same ownership rights and legal protections.
Potential benefits include:
However, integrating blockchain into regulated markets also introduces technical and legal challenges, especially around custody, cybersecurity, and regulatory oversight.
Nasdaq’s plan attempts to solve these challenges within existing systems, rather than building a parallel crypto exchange. Ondo’s response shows that even industry insiders want strong governance and equal access before tokenization scales up.
While the U.S. takes a cautious approach, other jurisdictions are already experimenting with or adopting frameworks for tokenized securities.
These international examples highlight that transparency, legal certainty, and phased implementation are universal themes, exactly what Ondo Finance is advocating for in the U.S.
Nasdaq’s proposal is still under formal SEC review, with an initial 45-day window that can be extended into late 2025. Given Ondo Finance’s objections, the process could stretch well into 2026.
If approved, Nasdaq’s plan would mark the first major integration of blockchain into the U.S. equity market’s core infrastructure, potentially transforming how stocks are issued, traded, and settled.
If delayed, it may signal that regulators want more transparency and coordination between exchanges, clearinghouses, and fintech firms before approving blockchain-based trading.
Either outcome will shape how the U.S. financial system embraces tokenization, whether as a tightly regulated evolution of existing systems or a more open, interoperable ecosystem.
Ondo Finance’s call for transparency isn’t a rejection of progress, it’s a reminder that trust and innovation must evolve together. Blockchain promises faster and fairer markets, but if early implementations favor only a handful of large players, that promise could quickly unravel.
By urging the SEC to pause Nasdaq’s plan, Ondo is pushing for a tokenized future that’s open, equitable, and accountable. Its letter reinforces a truth often forgotten amid hype: in finance, technological breakthroughs are only as strong as the confidence behind them.
Whether the SEC sides with caution or greenlights Nasdaq’s proposal, the conversation sparked by Ondo Finance is already reshaping how regulators, exchanges, and investors think about blockchain integration.
The dawn of tokenized finance is here, but its success depends not just on code or ledgers, but on the transparency and fairness that have long defined healthy markets.
Nasdaq has proposed allowing the trading of traditional stocks and ETFs in tokenized form — meaning digital versions of shares recorded on a blockchain. These tokenized securities would have the same rights and identifiers as regular stocks but would settle using blockchain technology through the Depository Trust Company (DTC). Ondo Finance supports tokenization but argues Nasdaq’s plan lacks transparency. In its letter to the SEC, Ondo said key details about DTC’s blockchain settlement system remain undisclosed. Without public information, regulators and investors cannot fully assess the risks or fairness of the proposal. Traditional trades are settled through centralized systems like DTC using electronic book entries. Tokenized settlement moves those records onto a blockchain, creating digital tokens that represent shares. This can improve speed and transparency, but it also requires new rules, technology, and risk management. The European Union has launched a “DLT Pilot Regime” for controlled tokenized stock trading. Switzerland legally recognizes tokenized securities under its DLT Act, and Singapore regulates them through licensed platforms under the Monetary Authority of Singapore. These models highlight transparency and phased testing — principles Ondo Finance is advocating for in the U.S.