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Momentary Custody, Long-Term Compliance: A Playbook for Crypto-Payment Founders

· 6 min read
Dora Noda
Software Engineer

If you’re building a crypto payments platform, you might have told yourself, “My platform only touches customer funds for a few seconds. That doesn’t really count as custody, right?”

This is a dangerous assumption. To financial regulators worldwide, even momentary control over customer funds makes you a financial intermediary. That brief touch—even for a few seconds—triggers a long-term compliance burden. For founders, understanding the substance of regulation, not just the technical implementation of your code, is critical for survival.

This playbook offers a clear guide to help you make smart, strategic decisions in a complex regulatory landscape.

1. Why “Just a Few Seconds” Still Triggers Money-Transmission Rules

The core of the issue is how regulators define control. The U.S. Financial Crimes Enforcement Network (FinCEN) is unequivocal: anyone who “accepts and transmits convertible virtual currency” is classified as a money transmitter, regardless of how long the funds are held.

This standard was reaffirmed in FinCEN’s 2019 CVC guidance and again in the 2023 DeFi risk assessment.

Once your platform meets this definition, you face a host of demanding requirements, including:

  • Federal MSB registration: Registering as a Money Services Business with the U.S. Department of the Treasury.
  • A written AML program: Establishing and maintaining a comprehensive Anti-Money Laundering program.
  • CTR/SAR filing: Filing Currency Transaction Reports (CTRs) and Suspicious Activity Reports (SARs).
  • Travel-Rule data exchange: Exchanging originator and beneficiary information for certain transfers.
  • Ongoing OFAC screening: Continuously screening users against sanctions lists.

2. Smart Contracts ≠ Immunity

Many founders believe that automating processes with smart contracts provides a safe harbor from custodial obligations. However, regulators apply a functional test: they judge based on who has effective control, not how the code is written.

The Financial Action Task Force (FATF) made this clear in its 2023 targeted update, stating that “marketing terms or self-identification as DeFi is not determinative” of regulatory status.

If you (or a multisig you control) can perform any of the following actions, you are the custodian:

  • Upgrade a contract via an admin key.
  • Pause or freeze funds.
  • Sweep funds through a batch-settlement contract.

Only contracts with no admin key and direct user-signed settlement may avoid the Virtual Asset Service Provider (VASP) label—and even then, you still need to integrate sanctions screening at the UI layer.

3. The Licensing Map at a Glance

The path to compliance varies dramatically across jurisdictions. Here is a simplified overview of the global licensing landscape.

RegionCurrent GatekeeperPractical Hurdle
U.S.FinCEN + State MTMA licencesDual layer, costly surety bonds, and audits. 31 states have adopted the Money Transmission Modernization Act (MTMA) so far.
EU (today)National VASP registersMinimal capital requirements, but passporting rights are limited until MiCA is fully implemented.
EU (2026)MiCA CASP licence€125k–€150k capital requirement, but offers a single-passport regime for all 27 EU markets.
UKFCA crypto-asset registerRequires a full AML program and a Travel Rule-compliant interface.
SG / HKPSA (MAS) / VASP OrdinanceMandates custody segregation and a 90% cold-wallet rule for customer assets.

4. Case Study: BoomFi’s Poland VASP Route

BoomFi’s strategy provides an excellent model for startups targeting the EU. The company registered with the Polish Ministry of Finance in November 2023, securing a VASP registration.

Why it works:

  • Fast and low-cost: The approval process took less than 60 days and had no hard capital floor.
  • Builds credibility: The registration signals compliance and is a key requirement for EU merchants who need to work with a VASP-of-record.
  • Smooth path to MiCA: This VASP registration can be upgraded to a full MiCA CASP license in-place, preserving the existing customer base.

This lightweight approach allowed BoomFi to gain early market access and validate its product while preparing for the more rigorous MiCA framework and a future U.S. rollout.

5. De-risking Patterns for Builders

Compliance shouldn’t be an afterthought. It must be woven into your product design from day one. Here are several patterns that can minimize your licensing exposure.

Wallet Architecture

  • User-signed, contract-forwarding flows: Use patterns like ERC-4337 Paymasters or Permit2 to ensure all fund movements are explicitly signed and initiated by the user.
  • Time-lock self-destruct of admin keys: After the contract is audited and deployed, use a time-lock to permanently renounce admin privileges, proving you no longer have control.
  • Shard custody with licensed partners: For batch settlements, partner with a licensed custodian to handle the aggregation and disbursement of funds.

Operational Stack

  • Pre-transaction screening: Use an API gateway that injects OFAC and chain-analysis scores to vet addresses before a transaction is ever processed.
  • Travel Rule messenger: For cross-VASP transfers of $1,000 or more, integrate a solution like TRP or Notabene to handle required data exchange.
  • KYB first, then KYC: Vet the merchant (Know Your Business) before you onboard their users (Know Your Customer).

Expansion Sequencing

  1. Europe via VASP: Start in Europe with a national VASP registration (e.g., Poland) or a UK FCA registration to prove product-market fit.
  2. U.S. via partners: While state licenses are pending, enter the U.S. market by partnering with a licensed sponsor bank or custodial institution.
  3. MiCA CASP: Upgrade to a MiCA CASP license to lock in the EU passport for 27 markets.
  4. Asia-Pac: Pursue a license in Singapore (MAS) or Hong Kong (VASP Ordinance) if volume and strategic goals justify the additional capital outlay.

Key Takeaways

For every founder in the crypto-payments space, remember these core principles:

  1. Control trumps code: Regulators look at who can move money, not how the code is structured.
  2. Licensing is strategy: A lightweight EU VASP can open doors while you prepare for more capital-intensive jurisdictions.
  3. Design for compliance early: Admin-free contracts and sanction-aware APIs buy you runway and investor confidence.

Build like you will one day be inspected—because if you move customer funds, you will.

Stablecoins Just Grew Up: Navigating the New Era of the GENIUS Act

· 6 min read
Dora Noda
Software Engineer

Last week, the digital asset landscape in the United States fundamentally shifted. On Friday, July 18, President Trump signed the Guiding and Establishing National Innovation for U.S. Stablecoins Act (GENIUS Act) into law, marking the first comprehensive federal statute dedicated to regulating payment stablecoins.

For years, stablecoins have operated in a regulatory gray zone—a multi-hundred-billion-dollar market built on promises of stability but lacking uniform guardrails. With the GENIUS Act, that era is over. The new law ushers in a period of clarity, compliance, and institutional integration. But it also introduces new rules of the road that every investor, builder, and user must understand.

The GENIUS Act: A Quick Primer

The law aims to bring stablecoins into the fold of regulated financial instruments, focusing squarely on consumer protection and financial stability. Here are the core pillars:

  • Permitted Issuers Only: Stablecoin issuance will be limited to “permitted payment stablecoin issuers.” This means entities must be specifically chartered and overseen by a federal regulator like the Office of the Comptroller of the Currency (OCC) or operate under a certified state or foreign regulatory regime.
  • Hard-Asset Backing: Every stablecoin must be backed 11-for-11 with reserves of cash, U.S. Treasury Bills, or other high-quality liquid assets. This effectively bans riskier algorithmic or commodity-backed designs from being classified as payment stablecoins under the act.
  • Transparency and Protection: Issuers are required to publish monthly, audited reserve reports. Crucially, in the event of an issuer’s insolvency, stablecoin holders are granted a first-priority claim on the reserve assets, putting them at the front of the line for redemption.
  • No Passive Yield: In a move to clearly distinguish stablecoins from bank deposits or money market funds, the Act explicitly bans issuers from paying interest or rewards to customers “solely for holding” the coin.

The law will take effect either 18 months after enactment or 120 days after final rules are published, whichever comes first.

Why Wall Street and Silicon Valley Are Paying Attention

With regulatory clarity comes immense opportunity, and the narrative around stablecoins is rapidly maturing from a niche crypto-trading tool to a pillar of modern finance.

  1. The "Market-Led Digital Dollar": The GENIUS Act provides a framework for a privately issued, government-regulated digital dollar. These tokens can extend the reach of the U.S. dollar into new digital frontiers like global e-commerce, in-game economies, and cross-border remittances, settling transactions in real-time.
  2. Collateral Credibility: The mandate for cash and T-Bill backing transforms compliant stablecoins into something closely resembling on-chain money market funds. This high degree of safety and transparency is a massive green light for risk-averse institutions looking for a reliable way to hold and move value on-chain.
  3. A Fintech Cost-Cutting Play: For payment processors and fintechs, the appeal is undeniable. Stablecoins operating on modern blockchains can bypass the legacy infrastructure of card networks and the SWIFT system, eliminating days-long settlement windows and costly interchange fees. The Act provides the regulatory certainty needed to build businesses around this efficiency.

Clearing the Air: Four Misconceptions in the GENIUS Era

As with any major regulatory shift, hype and misunderstanding are running rampant. It's critical to separate the signal from the noise.

  • Misconception 1: Infinite scale is harmless. While fully backed, a mass redemption event could still force a stablecoin issuer to rapidly liquidate billions of dollars in Treasury Bills. This could create significant stress on the liquidity of the U.S. Treasury market, a systemic risk that regulators will watch closely.
  • Misconception 2: Risk-free "4%4\% APY" is back. Any headline yield you see advertised will not come directly from the issuer. GENIUS forbids it. Yields will be generated through third-party activities like DeFi lending protocols or promotional campaigns, all of which carry their own risks. Furthermore, these assets have no FDIC or SIPC insurance.
  • Misconception 3: Stablecoins will replace banks. Issuers are not banks. The Act explicitly prevents them from engaging in lending or "maturity transformation"—the core functions of a bank that create credit and multiply the money supply. Stablecoins are for payment, not credit creation.
  • Misconception 4: It’s a global hall-pass. The law is not an open invitation for all global stablecoins. After a three-year grace period, foreign-issued stablecoins that have not registered with the OCC or a certified regime must be delisted from U.S.-based exchanges and platforms.

A Prudent Playbook for Builders and Investors

The new landscape demands a more sophisticated approach. Here’s how to navigate it:

  • Read the Fine Print: Treat the monthly reserve audit and the issuer's charter like a prospectus. Understand exactly what backs the token and who regulates it. Remember, algorithmic and other non-compliant stablecoins fall outside the protections of the GENIUS Act.
  • Segment Your Liquidity: Use compliant stablecoins for what they’re best for: fast, efficient operational payments. For holding treasury or runway cash, continue to rely on FDIC-insured deposits or traditional money market funds to hedge against potential redemption delays or queues.
  • Follow the Money: If an advertised yield on a stablecoin strategy is higher than the current yield on three-month T-Bills, your first question should be: who is taking the risk? Map the flow of funds to understand if you are exposed to smart contract bugs, protocol insolvency, or rehypothecation risk.
  • Build the Picks and Shovels: The most defensible business models may not be in issuance itself, but in the surrounding ecosystem. Services like institutional-grade custody, tokenized T-Bill wrappers, on-chain compliance oracles, and cross-border payment APIs will have significant, defensible margins under the new rules.
  • Track Rulemaking: The Treasury, OCC, and state agencies have 12 months to deliver detailed regulations. Get ahead of the curve. Integrating AML/KYC hooks and reporting APIs into your product now will be far cheaper than retrofitting them later.
  • Market Responsibly: The quickest way to invite regulatory scrutiny is to oversell. Lead with the strengths of the new model: “transparent reserves, regulated redemption, and predictable settlement.” Avoid high-risk language like “zero-risk,” “bank-killer,” or “guaranteed yield.”

The Bottom Line

The GENIUS Act drags U.S. payment stablecoins out of the regulatory shadows and into the daylight of mainstream finance. The Wild West chapter is officially closed. From here, competitive advantage will not be won by simply using the word “stable.” It will be earned through disciplined compliance engineering, institutional-grade transparency, and seamless integration with the traditional financial rails. The game has changed—it's time to build accordingly.

Hong Kong's Stablecoin Law: A Game-Changer for Global Crypto and the digital Yuan

· 11 min read

Hong Kong, May 21, 2025 – Hong Kong’s Legislative Council has passed the Stablecoin Ordinance Bill, making it one of the first jurisdictions globally to establish a comprehensive regulatory framework for stablecoin issuance. This move not only addresses the growing concerns around stablecoin risks, like a lack of transparent reserves, but also solidifies Hong Kong’s position as a leader in the regulated virtual asset space.

Let's dive into how this legislation will impact the global stablecoin landscape, Hong Kong's standing in the crypto world, and the internationalization of the Renminbi, particularly the digital Yuan.


The Global Push for Stablecoin Regulation Heats Up

The need for stablecoin regulation has become increasingly clear. With over $38 trillion in global stablecoin transactions in 2024, yet over 60% of issuers refusing to disclose reserve details, a "trust crisis" emerged, exacerbated by events like the TerraUSD collapse. This has spurred regulators worldwide to act.

The Financial Stability Board (FSB) has finalized its recommendations for stablecoin oversight, and the principle of "same activity, same risk, same regulation" is gaining traction. Hong Kong's new law aligns perfectly with this global trend.

Key Regulatory Developments Around the World:

  • United States: The "GENIUS Act" passed the Senate, marking the first comprehensive federal stablecoin bill. It mandates 1:1, high-quality asset reserves, priority repayment for holders in bankruptcy, and strict AML/CFT compliance. While stablecoins like USDT and USDC largely meet these reserve and transparency requirements, the focus will now shift to their operational compliance.
  • Europe: The EU's Markets in Crypto-Assets (MiCA) framework, effective since late 2024, categorizes single-fiat-pegged stablecoins as Electronic Money Tokens (EMT) and multi-asset-pegged ones as Asset-Referenced Tokens (ART). Both require authorization, 100% reserves, and redemption rights. MiCA has already spurred the growth of Euro-denominated stablecoins, signaling a potential shift in the dollar's dominance.
  • Singapore: The Monetary Authority of Singapore (MAS) finalized its framework for single-currency stablecoins in August 2023, requiring licenses, 100% reserves in matched currencies, and robust capital requirements.
  • Japan: Japan's revised Payment Services Act, in effect since June 2023, defines stablecoins as "electronic payment instruments" and restricts issuance to licensed banks and trust companies, requiring 1:1 fiat backing.

This global "stablecoin regulatory arms race" underscores Hong Kong's proactive approach, setting a precedent for others to follow.

Impact on Major Stablecoins:

Leading stablecoin issuers like Tether and Circle have already begun adjusting their strategies to meet evolving global standards. Tether has significantly increased its US Treasury holdings, making its reserves more compliant. Circle's USDC, with its high cash and short-term US Treasury reserves, is well-positioned to thrive in a regulated environment.

However, decentralized, crypto-collateralized stablecoins like DAI, which lack a centralized issuer or fiat reserves, may face challenges under these new regulations, as they fall outside the scope of fiat-backed stablecoin frameworks.


Hong Kong's Ascent in the Crypto Financial Ecosystem

Hong Kong's stablecoin licensing regime is a significant step in its journey to become a leading virtual asset hub. Building on its 2022 "Virtual Asset Development Policy Statement" and 2023 virtual asset exchange licensing, Hong Kong now boasts one of the most comprehensive regulatory frameworks globally.

As Secretary for Financial Services and the Treasury Christopher Hui stated, Hong Kong's "risk-based, same activity, same risk, same regulation" approach safeguards financial stability while fostering innovation. Eddie Yue, CEO of the Hong Kong Monetary Authority (HKMA), echoed this, highlighting how a robust regulatory system will drive healthy, responsible, and sustainable growth in the digital asset ecosystem.

Attracting Global Players:

The clear regulatory framework has already boosted confidence among international and local institutions. Standard Chartered Bank (Hong Kong) and Ant Group's international business have expressed intentions to apply for stablecoin licenses. Even during the "sandbox" pilot phase, major players like JD.com, Round Dollar, and a Standard Chartered joint venture participated, demonstrating strong industry interest.

First-Mover Advantage and Comprehensive Oversight:

Hong Kong's regulations go further by restricting stablecoin sales to the public to only licensed issuers, significantly reducing fraud. Furthermore, the ordinance has a degree of extraterritorial reach: stablecoins issued outside Hong Kong but pegged to the Hong Kong dollar must obtain a license. The HKMA can also designate foreign-issued stablecoins as "regulated stablecoin entities" if they pose significant financial stability risks to Hong Kong. This "licensed operation + real-time audit + global accountability" model is groundbreaking and positions Hong Kong as a global leader in stablecoin regulation.

Building a Richer Ecosystem:

Hong Kong isn't just focusing on exchanges and stablecoins. The government plans to consult on regulations for over-the-counter (OTC) trading and custody services, and a second virtual asset development policy statement is on the horizon. The Hong Kong Securities and Futures Commission (SFC) has also approved virtual asset spot ETFs, signaling support for further innovation in digital asset products.

This comprehensive approach fosters a dynamic Web3 and digital finance environment. For example, Hong Kong Telecommunications' "Tap & Go" e-wallet, with 8 million users, is integrating with Alipay for cross-border payments, potentially reducing international remittance times from days to seconds. In the realm of tokenized assets, HashKey Group offers lossless stablecoin exchange tools, and Standard Chartered's tokenized bond initiatives have improved settlement efficiency by 70%. Even green finance is getting a digital boost, with the HKMA's Project Ensemble exploring stablecoins as a pricing anchor for global carbon markets. These initiatives solidify Hong Kong's status as a hub for compliant crypto innovation.


Propelling the Internationalization of the Renminbi

Hong Kong's new stablecoin regulations have profound implications for the internationalization of the Renminbi (RMB). As China's international financial center and the largest offshore RMB hub, Hong Kong is a crucial testing ground for the RMB's global reach.

1. Enabling Compliant Offshore RMB Stablecoin Issuance:

The new regulations pave the way for the compliant issuance of offshore RMB (CNH) stablecoins in Hong Kong. While the current ordinance focuses on HKD and other official currency-pegged stablecoins, the HKMA is open to future RMB stablecoin issuance. This could open a new channel for RMB internationalization, allowing overseas markets and investors to easily hold and use RMB value through compliant digital assets.

2. Building New Cross-Border Payment Channels for the RMB:

Offshore RMB stablecoins could dramatically improve the efficiency of cross-border RMB payments. By bypassing traditional SWIFT networks, which are often slow and costly, RMB stablecoins could facilitate direct settlement of RMB-denominated goods and services in global trade. This could significantly expand the use of RMB in e-commerce, tourism, and even "Belt and Road" infrastructure projects.

3. Complementary Role with Digital Renminbi (e-CNY):

Hong Kong's stablecoin regulations complement China's central bank digital currency (CBDC), the digital RMB (e-CNY). While e-CNY is a sovereign digital currency emphasizing state credit and controlled anonymity for retail payments, stablecoins are issued by commercial entities, market-driven, and offer on-chain programmability.

This could lead to a "dual-circulation" system where e-CNY provides the core settlement layer for domestic and some cross-border payments, while HKMA-regulated RMB stablecoins facilitate broader global circulation. For instance, Hong Kong is working to connect its Faster Payment System (FPS) with mainland China's Interbank Payment System (IBPS), enabling seamless real-time cross-border remittances. HKD stablecoins could act as an intermediary, facilitating value transfer between the two regions without violating mainland capital controls. This could expand RMB circulation to areas not yet covered by the e-CNY network.

4. Boosting Offshore RMB Liquidity and Product Innovation:

Hong Kong already handles about 80% of global offshore RMB payments. The stablecoin ordinance will further diversify RMB liquidity and asset allocation. HashKey Exchange, a licensed virtual asset exchange in Hong Kong, has already expanded its fiat on/off-ramp services to include CNH, HKD, USD, and EUR, further promoting RMB's practical use in the crypto market.

Financial Secretary Paul Chan has also pledged support for more RMB-denominated investment products and risk management tools, such as RMB government bonds and "dim sum" bonds. These initiatives, combined with stablecoins, will create a more vibrant offshore RMB ecosystem. Hong Kong's collaboration with the People's Bank of China on RMB trade finance liquidity arrangements and participation in the mBridge CBDC project further solidifies the infrastructure for cross-border RMB use.


Unpacking Hong Kong's Stablecoin Regulations: Core Provisions and Global Comparisons

Hong Kong's Stablecoin Ordinance primarily targets Fiat-Referenced Stablecoins (FRS) with a rigorous set of standards, emphasizing robustness, transparency, and control.

Core Regulatory Requirements:

  • Licensing and Issuance Restrictions: Issuing FRS in Hong Kong or issuing HKD-pegged stablecoins from outside Hong Kong requires an HKMA license. Only licensed issuers can sell stablecoins to the public in Hong Kong, and advertising for unlicensed stablecoins is prohibited.
  • Reserve Asset Requirements: Stablecoins must be 1:1 backed by high-quality, segregated, and independently custodied reserves. The market value of reserves must at all times be equal to or greater than the stablecoin's total outstanding face value. Quarterly reserve disclosures will be mandatory.
  • Redemption and Stability Mechanisms: Licensed issuers must ensure holders can redeem their stablecoins at par value without undue restrictions or high fees. In case of issuer bankruptcy, holders have priority claims on the reserve assets.
  • Issuer Qualifications and Operational Requirements: Strict standards for applicants include:
    • Local Entity and Minimum Capital: Issuers must be registered in Hong Kong and have a minimum paid-up capital of HK25million(approx.US25 million (approx. US3.2 million), which is higher than Singapore's.
    • Fit and Proper Persons and Governance: Controlling shareholders, directors, and senior management must meet "fit and proper" criteria, demonstrating integrity and competence. Robust corporate governance and transparency (e.g., whitepapers, complaints procedures) are also required.
    • Risk Management and Compliance: Comprehensive risk management frameworks are mandatory, including strict AML/CFT compliance, robust cybersecurity, and fraud prevention measures.
  • Transition Arrangements: A six-month transition period allows existing stablecoin businesses to apply for a license within the first three months, potentially receiving a provisional license while their full application is reviewed.
  • Enforcement and Penalties: The HKMA has extensive investigative and enforcement powers, including fines up to HK$10 million or three times the illicit gains, and the ability to suspend or revoke licenses.

Comparison with Other International Frameworks:

Hong Kong's stablecoin ordinance generally aligns with the regulatory philosophies of the EU's MiCA and proposed US federal laws, all emphasizing 100% reserves, redemption rights, and licensing. However, Hong Kong has carved out its unique features:

  • Legal Status and Scope: While MiCA is a comprehensive crypto asset regulation, Hong Kong has focused specifically on fiat-pegged stablecoins, with the ability to expand to other types later.
  • Regulatory Body and Licensing: Hong Kong's HKMA is the primary regulator, issuing stablecoin licenses parallel to existing banking and stored-value facility licenses. Hong Kong's distinct feature is its explicit extraterritorial reach, encompassing stablecoins pegged to the HKD regardless of their issuance location.
  • Capital and Operational Restrictions: Hong Kong's higher minimum capital requirement (HK$25 million) is notable, suggesting a preference for well-capitalized players. While not explicitly prohibiting other business activities in the ordinance, the HKMA can impose restrictions.
  • Redemption Rights and Timelines: Like other jurisdictions, Hong Kong prioritizes timely and unimpeded redemption rights, treating stablecoins akin to redeemable electronic deposits.
  • Transparency and Disclosure: Hong Kong's regulations require public whitepapers and ongoing disclosure of significant information. Uniquely, it also restricts advertising for unlicensed stablecoins, showcasing a strong commitment to investor protection.
  • Extraterritorial Influence and International Coordination: Hong Kong's "designated stablecoin entity" mechanism allows it to regulate foreign-issued stablecoins if they significantly impact Hong Kong's financial stability. This proactive cross-border macroprudential approach sets it apart from MiCA and US proposals, offering a potential model for other small, open economies.

The Road Ahead

Hong Kong's Stablecoin Ordinance is a significant milestone, setting a high bar for responsible stablecoin issuance and operation. Its comprehensive yet flexible approach, coupled with a strong emphasis on investor protection and financial stability, positions Hong Kong as a crucial player in the evolving global digital finance landscape.

This move is not just about stablecoins; it's a strategic play that bolsters Hong Kong's status as an international financial center and provides a vital platform for the digital Renminbi to expand its global footprint. As jurisdictions worldwide continue to grapple with crypto regulation, Hong Kong's model is likely to be a key reference point, ushering in a new era of compliant competition and innovation in the stablecoin industry.

What are your thoughts on Hong Kong's new stablecoin regulations and their potential impact?