The thirty-second version
FDUSD is a dollar-referenced token marketed under First Digital Labs. The issuer's 2025 transition notice identifies FD121 (BVI) Limited as the issuing entity. First Digital Trust's custody role and Hong Kong registration are separate from the issuer's status. Neither establishes an HKMA stablecoin licence.
Who First Digital Trust is
First Digital Trust is a trust and custody business. Its role must be read alongside the issuer's terms, rather than treated as the token's licence. A trust-company registration does not by itself establish SFC supervision for every activity or authorisation under the HKMA stablecoin regime.
Read the legal entity named in the token terms separately from any group brand or custody provider. Applicable supervision depends on the activity and jurisdiction; a Hong Kong office does not place every group activity under HKMA or SFC supervision.
The Hong Kong stablecoin framework
Hong Kong's Stablecoins Ordinance was enacted in 2025 and took effect on August 1, 2025. The government's implementation notice links the supervisory rules. The framework addresses:
- Sets a licensing perimeter for specified stablecoin issuance and separate restrictions on offering and marketing. Offshore issuance and Hong Kong distribution are not the same activity.
- Sets minimum reserve-asset standards: full backing, high-quality liquid assets (cash, short-dated government securities), segregation from issuer corporate assets.
- Requires monthly attestations of reserves with annual audit.
- Requires licensed issuers to handle valid redemption requests under the supervisory timetable, subject to its conditions and any approved exception.
- Restricts retail offerings and specifies who may issue or offer relevant tokens. Group location alone does not establish eligibility.
These are requirements for the activities within the regime. They do not turn First Digital Trust's registration into an issuer licence for FD121 (BVI) Limited, or give an FDUSD holder the rights attached to a different licensed product.
The Binance partnership
Binance gave FDUSD a distribution route during the BUSD wind-down (covered in the BUSD delisting timeline). Its updated removal notice scheduled automatic conversion of remaining BUSD balances for January 2, 2024. That historical migration does not establish FDUSD's current market share.
Fee promotions can encourage balances to accumulate in a quoted asset. Before relying on a discount, check the current announcement for the exact pair, maker or taker side, account eligibility and expiry. A historical FDUSD promotion is not evidence that BTC, ETH or BNB trading is free today.
Venue concentration matters because a trading or withdrawal restriction can make a token harder to use. This article has no dated wallet-label dataset supporting a percentage of FDUSD held on Binance. Exchange wallets can also contain customer assets, so supply concentration and exchange ownership must not be conflated.
What FDUSD reserves look like
First Digital Labs links monthly reserve reports on its transparency page. Read the accountant's opinion for its actual scope and reporting date; a reserve examination is not a full audit of the issuer's business.
The page's July 31, 2026 snapshot reports $351.63 million in reserve accounts against 350.156 million tokens in circulation. Its categories are:
- US Treasury bills (T-bills). 75.88% at that reporting date.
- Cash. 20.42% at that reporting date.
- Fixed deposits. 3.7% at that reporting date.
- Snapshot limit. These figures are historical disclosures, not live balances or a promise of immediate redemption.
The asset categories help describe the reserve, but do not eliminate asset-quality, bank or custody risk. Compare maturity, access restrictions and counterparty disclosures with the redemption terms. A reserve surplus on one reporting date is not a guarantee for the next request.
The Tron USDT comparison
Worth a section because the two tokens are often grouped as "exchange-default stablecoins" but are operationally very different:
| Dimension | FDUSD | Tron USDT |
|---|---|---|
| Issuer | FD121 (BVI) Limited / First Digital Labs | Tether International, S.A. de C.V., El Salvador |
| Networks | Ethereum, BSC, Sui, Solana; verify contract support | Tron for this comparison; other deployments are separate routes |
| Primary use | Exchange settlement | Cross-border payments, exchange settlement |
| Reserve transparency | Monthly reserve reports; read the dated opinion | Quarterly reserve assurance by BDO Italia |
| Reserve composition | T-bills, cash and fixed deposits in the cited snapshot | Broader categories including Treasuries, gold, digital assets and loans |
| Off-exchange use | Check recipient, wallet and cash-out support | Check recipient, wallet and cash-out support |
| Regulatory base | BVI issuer; Hong Kong custody is a separate role | El Salvador issuer authorisation; local service rules still apply |
FDUSD is transferable outside an exchange; it is not merely an internal Binance balance. The useful comparison is the route you need: which token and chain the recipient accepts, whether withdrawals work and how fiat redemption or sale is available to you.
What the desk pays attention to on FDUSD
The issuer's actual regulatory status
Check the HKMA register for the exact entity if a provider claims a licence. This article has no basis to describe FD121 (BVI) Limited as waiting in an HKMA application queue. A licensing regime's existence does not establish that this issuer applied or that an approval is pending.
The Binance settlement-volume share
A promotion can change pair volume without a matching change in outstanding supply. Track those measures separately and use dated observations; volume alone does not identify new holders or establish the cause of minting and redemption.
The single-issuer concentration on Binance
For your own balance, concentration is easy to identify: if it is all on one exchange, an outage or withdrawal pause can block the whole amount. That custody exposure is distinct from the issuer's reserves. A market-wide comparison requires labelled wallets and a common snapshot date.
If you hold FDUSD, the practical questions
How much should you hold? Start with the balance needed for an intended trade and compare the current total execution cost. A possible fee discount does not justify a larger passive holding, and no fixed holding period resolves issuer or custody risk.
Where do you redeem? Ask First Digital Labs about current onboarding eligibility, minimums, fees and supported networks. Selling FDUSD for another token on an exchange is a market trade, not issuer redemption to USD. Do not apply HKMA licensee redemption obligations to this BVI issuer without establishing that they apply.
How does it sit against the BUSD precedent? A trading venue can stop supporting a token even when some issuer redemption continues. For FDUSD, assess the BVI issuer's terms, custody arrangements and each venue's notices separately. The BUSD case does not establish which authority could act on a different token or guarantee that the outcome would be similar.
HKMA filings we read
- First Digital Labs monthly attestations (firstdigitallabs.com / fdusd.io), Prescient Assurance reports.
- Hong Kong Monetary Authority, "Stablecoin Issuers Licensing Ordinance — Implementation Notes", 2024-2025.
- HKMA discussion paper, "Discussion Paper on Crypto-assets and Stablecoins", January 2022.
- Binance announcements re: FDUSD listing and BUSD migration, June 2023 through February 2024.
- DeFiLlama and Token Terminal historical supply / venue data for FDUSD, 2023-06 through current.
- Hong Kong Companies Registry filings for First Digital Trust Limited.
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