Opinion by: Al Qureshi, CEO and co-founder at Black Lake Digital Markets.
Most of the real-world asset narrative built onchain so far has focused on the easiest possible cases: Treasury bills, gold and money market funds.
These assets were already liquid, standardized and relatively simple to represent as digital claims before a token ever touched them. Bringing them onchain has been useful infrastructure work, but it has not answered the harder question:
Can tokenization handle assets that are genuinely messy?
Mortgages are where that question gets real.
U.S. mortgage balances totaled $13.19 trillion at the end of the first quarter of 2026, according to the Federal Reserve Bank of New York. Unlike a Treasury bill, a mortgage isn’t a uniform instrument sitting neatly in a database waiting to be wrapped. It’s one loan, tied to one borrower and one property, with its own underwriting, documentation, servicing history and collateral. Multiply that across millions of loans, and the difficulty becomes obvious.
That’s the distinction behind a more literal category of real-world assets: “real” real-world assets, or R-RWAs. These are assets whose value is difficult to tokenize because the thing underneath the token is fragmented, illiquid and expensive to verify.
The GENIUS Act requires permitted payment stablecoin issuers to maintain at least one-to-one reserves using a limited set of highly liquid assets, including cash, short-duration Treasuries and qualifying repo and money market instruments. It also prohibits issuers from paying holders interest or yield simply for holding, using or retaining a payment stablecoin. Meanwhile, stablecoin market capitalization had reached roughly $320 billion by the end of May 2026, according to the Bank for International Settlements.
That creates a structural separation. There’s a large and growing pool of dollar-denominated value moving onchain, but payment stablecoins themselves are not designed to pass the return on their reserves through to holders. On the other side of the market, borrowers using mortgage warehouse facilities are paying meaningful premiums for dollar credit.
That disconnect is what makes R-RWAs interesting. Onchain dollars and yield-bearing real-world credit exist at scale. The missing piece is the infrastructure required to connect the two without simply importing the old trust model.
The chain is meant to be trustless. But what about the assets?
That’s where mortgages expose the weakness in the current RWA model. Recording that a mortgage exists onchain is easy, but proving what sits behind it is not. The underlying loan still has to be checked: borrower information, income, appraisal, occupancy, documentation, underwriting and servicing data all matter.
There’s nothing inherently wrong with that system. Traditional mortgage markets are built around institutions, contractual accountability, representations, warranties and third-party review. However, tokenizing the output of that process doesn’t automatically make the underlying collateral independently verifiable. Instead, it takes an offchain assertion and records it on a ledger.
That’s not the same thing as solving trust.
For R-RWA tokenization to matter, verification has to travel with the asset. Investors need to be able to establish that the loan exists, that its characteristics are what the issuer says they are, that the collateral has been reviewed and that changes to the asset can be tracked over time. Otherwise, tokenization risks becoming a better settlement layer for the same opaque process rather than a fundamentally better financial system.
This problem is important. But nobody has rushed at this problem because it’s hard to address. In fact, that difficulty is exactly why mortgages matter so much to the RWA thesis. Tokenized Treasuries prove that blockchain infrastructure can distribute an asset that was already standardized and liquid. Mortgages test whether it can make a complex asset easier to verify, finance and move.
If it can’t, then the RWA category is smaller than the industry likes to suggest. It may still be useful, but it is largely a new wrapper around assets that were already easy to package.
If it can, the opportunity is much larger. The next phase of tokenization will be defined by whether assets that were historically too fragmented, too illiquid or too difficult to verify can become legible enough to move through onchain markets.
That’s the real test. Mortgages are next.
