Policy
Tokenize a Treasury at DTCC and It Stops Counting as Collateral
The largest tokenization launch in American markets arrives next month on the authority of a staff letter rather than a statute. Read the letter and a condition appears that the press releases do not mention: inside DTC's own risk machinery, a tokenized entitlement is worth nothing.
In October, the Depository Trust Company intends to start issuing blockchain tokens that represent entitlements to American stocks and Treasuries. DTC is not a startup. It is a registered clearing agency, a New York limited purpose trust company, a state member bank of the Federal Reserve System, and since 2012 a designated systemically important financial market utility. It is the place where the ownership of most US securities is actually recorded. When it tokenizes something, the question of whether tokenized securities are real stops being interesting.
The timeline was set out in DTCC's May 4 announcement: limited production trades in July, full launch in October, with a working group of more than fifty firms including BlackRock, J.P. Morgan, Goldman Sachs, Bank of America and State Street alongside Circle, Fireblocks and Kraken's parent Payward. The July step happened on schedule. On July 15 DTCC said more than thirty firms had put DTC-tokenized assets through real production trades covering collateral pledge, securities lending, Treasury and repo delivery-versus-payment, equity DVP and DVD, token transfers and central counterparty margin workflows.
What makes this worth a second look is not the roster. It is the paperwork underneath.
A staff letter, not a law
None of this rests on legislation. The CLARITY Act's cloture vote failed 49 to 50 in the Senate on September 15, a result this desk read off the roll call at the time. The October launch is unaffected, because it never depended on Congress. It depends on a single letter.
On December 11, 2025, the SEC's Division of Trading and Markets wrote to Brian Steele and Nadine Chakar of DTCC to say that the staff would not recommend enforcement action against DTC, in connection with a pilot it calls the Preliminary Base Version, under Regulation SCI, under Section 19(b) of the Exchange Act and Rule 19b-4, and under Exchange Act Rules 17Ad-22(e) and 17Ad-25(i) and (j). In plainer terms: DTC may run this without first filing it as a rule change and without the systems-compliance regime that would normally attach.
That is a substantial accommodation, and the letter is candid that it is a provisional one. Its closing paragraph sets a fuse: the letter "is withdrawn without further action three years from the date DTC launches operation of the Preliminary Base Version," and DTC must give the staff written notice when that launch occurs. An October 2026 launch therefore starts a clock that runs out in October 2029, at which point the arrangement either has been replaced by something more permanent or it has not.
The condition nobody put in a press release
Buried in the conditions is the line that should shape how anyone plans around this. DTC will not ascribe to any tokenized entitlement any collateral value or settlement value for purposes of calculating a participant's Net Debit Cap or the Collateral Monitor — the two controls that govern how much a participant may owe intraday and what backs that exposure.
Read that against the July trade list, which prominently featured collateral pledge and repo, and the shape of the compromise becomes clear. You may move a tokenized Treasury to another participant's wallet in seconds, and counterparties may treat it as good collateral between themselves. But inside DTC's own risk system, the moment you tokenize, the position stops counting toward your capacity. Mobility is granted. Balance-sheet credit is withheld.
This is defensible — DTC's risk machinery was built around positions it controls on its own ledger, and a token that can move without its instruction is not that. It is also the single most consequential limit on the pilot, and it is the kind of detail that gets lost between a press release and a headline.
What the December 11, 2025 letter actually permits
| Term | What the letter says |
|---|---|
| Eligible securities | Russell 1000 constituents at launch plus later additions; US Treasury bills, bonds and notes; ETFs tracking major indices such as the S&P 500 and Nasdaq-100 |
| Relief granted from | Reg SCI; Exchange Act §19(b) and Rule 19b-4; Rules 17Ad-22(e) and 17Ad-25(i), (j) |
| Collateral / settlement value | None ascribed, for Net Debit Cap or Collateral Monitor purposes |
| Excluded participants | Those for which DTC has US tax withholding or reporting, or TIC reporting, obligations |
| Eligible chains | Proof of work, proof of stake or private permissioned — provided DTC can review all token transfers |
| Duration | Withdrawn automatically three years after the pilot launches |
Minting, burning, and a system called LedgerScan
The mechanics described in the letter are worth knowing because they determine how much of this is really on-chain. A participant registers one or more wallet addresses on an approved blockchain. It then instructs DTC to tokenize an entitlement it already holds. DTC debits the securities from the participant's account, credits them to a Digital Omnibus Account that holds the sum of all tokenized entitlements, and uses an internal system called Factory to mint a token into the registered wallet. De-tokenizing runs the sequence backwards and burns the token.
Between those two points, tokens move wallet to wallet without anyone instructing DTC. That is the genuinely new capability. But DTC does not lose sight of them: it tracks transfers using LedgerScan, an off-chain system running in a public cloud, and the letter states plainly that DTC will support a blockchain only if it can review every transfer of tokens on that chain.
The test DTC applies to a blockchain
The letter is unusually direct about how DTC will choose chains. It anticipates supporting a range of governance models — proof of work, proof of stake and private permissioned networks — but says DTC must satisfy itself that a network's governance is not susceptible to bad actor or hostile nation state exploitation, to frequent forking, or to governance uncertainty.
That is a reasonable test, and it is also a harder one to apply than it looks. Forking and governance uncertainty are not properties a chain advertises; they are things that become visible during an incident. A network that has never had to decide which state changes were legitimate has not yet been measured on the criterion DTC says it cares about — and, as MultiversX demonstrated this weekend, a chain can go from sub-second finality to a stopped ledger and a debate about selective rollback inside ten days. DTC has not published a list of approved chains, and the letter suggests it will prioritize review by participant demand.
What to watch in October
Three things will tell you how real this is. First, whether DTC gives the staff its launch notice in October, which starts the three-year clock and is the only public marker that the Preliminary Base Version has actually begun. Second, which chains appear on the approved list, because that is where the governance test stops being theoretical. Third, whether the collateral-value exclusion survives the pilot, because that single condition determines whether tokenized entitlements become working market plumbing or an expensive parallel rail that sophisticated desks use for mobility and nothing else.
The Take
The industry spent 2026 treating legislation as the gate and then watched the gate fail 49 to 50. Meanwhile the most consequential tokenization launch in US markets walked through a side door that opened in December, and it did so with more conditions attached than most of the coverage has acknowledged. That is not a scandal; no-action relief is an ordinary instrument and the staff used it to allow a carefully bounded pilot at an institution that is supervised to the back teeth. But it is worth being precise about what exists. What exists is a three-year permission slip, revocable in effect by the same staff that granted it, for a service whose tokens its own operator will not count as collateral. That is a serious experiment. It is not yet an infrastructure. The distinction will matter in 2029, and anyone building on the assumption that the letter is permanent should read its last paragraph first.