USD1 Stablecoin Distribution
This article explains the practical meaning of distributing USD1 stablecoins. In this article, distribution does not mean hype, promises of returns, or vague talk about adoption. It means the full path by which USD1 stablecoins move from issuance into wallets, exchanges, business treasuries, payment flows, and finally back out through redemption when a holder wants U.S. dollars again. In a reserve-backed design, that path only works well when the backing assets, redemption terms, custody structure, and compliance controls are understandable to the people and businesses using USD1 stablecoins.[1][2][3]
A helpful way to think about distribution is to separate access from confidence. Access means that a person, company, or platform can actually get USD1 stablecoins into a usable wallet or account. Confidence means that the holder can move those USD1 stablecoins where needed, understand what backs them, and exit them in a predictable way if conditions change. Regulators and central bank researchers consistently emphasize that stablecoin systems become more credible when they pair distribution with strong reserve practices, clear redemption rights, and transparent disclosures rather than relying on marketing language alone.[1][2][8][10]
Not every source on this topic is a binding legal rule. Some materials are supervisory guidance, some are international policy recommendations, and some are central bank research papers. Taken together, however, they give a practical framework for understanding how USD1 stablecoins should be distributed if the goal is broad usability without pretending that all risks disappear.[1][2][3][8]
What distribution means for USD1 stablecoins
In plain English, distribution is the process that gets USD1 stablecoins from the place where they are created to the people and systems that actually use them. That process usually has two layers. The first is the primary market, meaning the direct minting and redemption channel between an issuer or designated intermediary and a qualified participant. The second is the secondary market, meaning trading, transfers, and payments after USD1 stablecoins are already in circulation. Federal Reserve research and Financial Stability Board material both describe stablecoin activity in terms of issuance, redemption, transfer, and user interaction, which is why distribution should be understood as more than simply creating USD1 stablecoins.[2][3][4]
Some jargon helps here. Minting means creating new USD1 stablecoins onchain after the required backing assets or payment funds are received. Burning means removing USD1 stablecoins from circulation when they are redeemed. A reserve is the pool of assets meant to support redemption. Custody means safekeeping of those assets or of USD1 stablecoins in wallets or accounts. Attestation means an independent accountant checks management's claims about reserves and related controls. Settlement finality means the point at which a transfer is final and cannot be reversed under the system's rules. Interoperability means different systems, chains, or payment environments can work together without the holder losing clarity about value or redemption rights.[1][3][8]
This broader view matters because USD1 stablecoins can circulate widely and still be poorly distributed. If holders cannot redeem without friction, if liquidity is concentrated on only one venue, if movement across chains depends on fragile bridge infrastructure, or if users do not know which legal entity stands behind the redemption promise, then distribution is weak even when nominal circulation looks large. European Central Bank work on payment fungibility argues that interoperability, settlement finality, and convertibility are central to whether a tokenized instrument can function smoothly as a means of payment. That insight applies directly to USD1 stablecoins: distribution is only as good as the user's ability to move in and out of the system at face value and with operational certainty.[8][10]
Why distribution quality matters
The quality of distribution matters more than raw circulation. Two sets of USD1 stablecoins could both claim a one dollar target, yet feel very different in practice if one setup provides transparent reserves, credible legal claims, and predictable redemption while the other relies mainly on secondary market confidence. New York's stablecoin guidance is useful because it turns abstract ideas into operational requirements: full backing, clear redemption policies, segregation of reserve assets, and recurring attestations. The Financial Stability Board makes a similar point at an international level by emphasizing robust legal claims, timely redemption, conservative reserve assets, and prudential safeguards.[1][2]
For a real user, distribution quality answers concrete questions. Can I obtain USD1 stablecoins through a lawful and well documented channel? Can I move them to another wallet or venue without unexpected loss of value? Can I redeem them at par, meaning an amount of USD1 stablecoins back into the same amount of U.S. dollars, if I need to leave the system? Can I see enough information about the reserve and governance structure to decide whether the risk is acceptable? These questions are not theoretical. Supervisors and researchers focus on them because stablecoin users tend to care intensely about exits once trust comes under pressure.[1][2][5]
The Federal Reserve's analysis of market stress around USDC in March 2023 is especially relevant. It found that secondary market trading remained intense when primary redemption channels were disrupted, and that suspending primary market redemption could not stop the run because stablecoins continued trading on exchanges. That episode is a reminder that distribution is not finished once USD1 stablecoins reach the market. Distribution also includes maintaining the pathways, liquidity support, and communications that let users understand what to do under stress.[5]
Stablecoins also matter because they are widely used inside digital asset markets as a medium of exchange and as an on-ramp, meaning a way to enter other crypto markets. Federal Reserve work from 2022 and 2024 notes their role in facilitating exchange trading, supporting decentralized finance, and functioning as a relatively stable store of value inside otherwise volatile crypto environments. If USD1 stablecoins are distributed into that environment, then the quality of their distribution affects not just holders but also trading venues, payment tools, and treasury workflows built on top of them.[3][4]
Primary distribution
Primary distribution is where USD1 stablecoins first enter circulation. In a typical reserve-backed lifecycle, a participant sends payment funds or approved backing assets to the designated party, and once receipt is confirmed the issuer creates the corresponding amount of USD1 stablecoins and sends them to the participant's wallet or account. The Federal Reserve's 2022 note describes this clearly: issuance starts when a user sends an asset to a designated party, after which the issuer mints and allocates an equivalent amount of stablecoins. Redemption is the same process in reverse, with USD1 stablecoins returned and then burned before the reserve-side payment is sent back out.[3]
That description sounds simple, but the surrounding controls are what make primary distribution credible. New York's guidance says that a U.S. dollar-backed stablecoin under its oversight should be fully backed by reserve assets whose market value is at least equal to outstanding USD1 stablecoins at the end of each business day. It also requires clear redemption policies that give lawful holders a right to redeem at par in U.S. dollars and, under a usual baseline, process compliant redemptions no later than two full business days after receipt. In other words, primary distribution should not merely create USD1 stablecoins quickly; it should also define how those USD1 stablecoins reliably leave circulation when holders want out.[1]
Reserve composition matters at the primary stage because distribution quality is tied to what stands behind USD1 stablecoins. The New York framework limits reserve assets to short-dated U.S. Treasury bills, overnight reverse repurchase agreements backed by Treasuries, government money market funds within approved limits, and deposits at approved depository institutions. The Financial Stability Board states the same principle in broader form: reserve assets for reserve-based stablecoins should be conservative, high quality, highly liquid, unencumbered, and readily convertible into fiat currency at little or no loss of value. A distributor does not need to manage every reserve decision personally to care about this. If reserve assets are weak or illiquid, distribution may look wide in normal times but become fragile in stressed conditions.[1][2]
Primary distribution also depends on onboarding. Before an eligible counterparty can mint or redeem, it often has to complete know-your-customer review, sanctions screening, payment setup, legal documentation, and wallet verification. New York's guidance builds this reality into its definition of a compliant redemption order by linking timely redemption to successful onboarding and other necessary compliance conditions. So even though stablecoin systems are often described as instant, primary distribution is usually a hybrid of onchain movement and offchain institutional processes. That hybrid design is not a flaw by itself. It is simply part of how reserve-backed digital dollars connect to bank money and regulated financial infrastructure.[1][11]
Another practical point is that primary distribution often begins with institutions even when the eventual users are retail customers or small businesses. This is an inference from how supervisory guidance and central bank papers describe issuance and redemption channels. They focus on issuers, custodians, designated counterparties, and formal redemption rights rather than on every end user minting directly. In practice, that means broad retail access to USD1 stablecoins often depends on the design quality of intermediary distribution rather than on direct issuer relationships for every holder.[1][2][3]
Secondary distribution
Secondary distribution begins after USD1 stablecoins are already circulating. This is the part most users see first. They may buy USD1 stablecoins on a centralized exchange, receive them in a self-custodied wallet from another person, get paid in them by a business partner, or use them inside a decentralized finance application. Federal Reserve research separates these secondary market dynamics from primary mint and redeem channels, and that distinction is essential. Primary distribution sets the anchor. Secondary distribution determines how widely and conveniently USD1 stablecoins can actually be used day to day.[4][5]
The common routes for secondary distribution are varied. Exchanges list and match orders. Over-the-counter desks, meaning directly negotiated trading firms, supply blocks of liquidity for larger counterparties. Wallet providers give hosted access, meaning the provider holds the keys or controls transaction execution for the user. Self-custody tools support unhosted wallets, meaning the user controls the keys directly on a device or hardware wallet. Payment processors and treasury platforms can distribute USD1 stablecoins as part of supplier payments, internal treasury transfers, settlement flows, or customer payouts. None of these channels is automatically safer than the others. Each adds a different mix of liquidity, operational convenience, counterparty exposure, and regulatory obligations.[2][3][6]
The secondary market is also where distribution can look healthy right up until it does not. During the March 2023 stress episode studied by the Federal Reserve, secondary market activity stayed elevated even when the primary market could not fully absorb the shock. Trading volumes surged and the price deviated from par before redemption channels normalized. The lesson for USD1 stablecoins is straightforward: USD1 stablecoins can be widely distributed across venues while still facing short-term price dislocation if users lose confidence in redemption, reserve access, or operational continuity.[5]
This is why secondary distribution should never be viewed as a substitute for redemption rights. Secondary liquidity and primary redeemability support each other, but they are not the same thing. Exchange buyers may keep the market close to par when confidence is strong, yet the Financial Stability Board explicitly warns that stablecoins should not rely on arbitrage alone to maintain stable value. The reserve, legal claim, and redemption process still have to do real work. A distributor that focuses only on listings, wallet integrations, or cross-platform reach while ignoring redemption quality is building on a weak foundation.[2][3]
The distribution stack
A useful way to understand USD1 stablecoins is to look at the stack of participants involved in distribution.
The issuer
The issuer creates and burns USD1 stablecoins, defines the redemption promise, organizes reserve management, and usually sits at the center of legal accountability for USD1 stablecoins. The Financial Stability Board treats issuance, redemption, and stabilization as core functions of a stablecoin arrangement. Without a credible issuer-side function, distribution becomes little more than circulation without an anchor.[2]
The reserve manager and reserve custodian
These parties hold or administer the backing assets. New York's guidance requires segregation of reserve assets from the issuer's proprietary assets and public accountant attestations on reserve sufficiency. The safer and more transparent the reserve arrangements are, the easier it is for every downstream distributor to explain why USD1 stablecoins should trade near par.[1][2]
The banking and payment rail providers
Even when USD1 stablecoins move on public blockchains, the reserve side still relies on ordinary money movement. Bank transfers, custody accounts, reverse repo arrangements, and money market fund positions are all part of the offchain machinery that supports onchain distribution. This is why stablecoin distribution is never only a blockchain question. It is also a cash management and payment operations question.[1][3]
The exchange or broker
These intermediaries distribute existing USD1 stablecoins to users who do not mint directly. They may operate as virtual asset service providers, or VASPs, meaning businesses that exchange, transfer, safeguard, or otherwise service virtual assets for others. FATF materials emphasize that stablecoin arrangements involve many such participants and that compliance obligations can depend on the activity performed, not just on the technology used.[6][7][11]
The wallet provider
Wallets are the user-facing layer. A hosted wallet means the provider handles important parts of custody or transaction execution. An unhosted wallet means the user directly controls the keys. The Federal Reserve glossary and FATF reports both treat this difference as important because it affects control, monitoring, and transaction risk management.[3][6]
The market maker
A market maker continuously posts buy and sell prices to keep secondary trading orderly. This role matters because wide distribution without active two-way pricing can leave users with access but poor liquidity. Market makers do not replace redemption, but they help connect secondary market confidence to the primary reserve anchor.[4][5]
The enterprise treasury or payment platform
Some distribution happens because businesses adopt USD1 stablecoins for treasury movement, supplier settlement, platform payouts, or internal balance mobility across jurisdictions and systems. When that happens, distribution is not just about retail trading volume. It becomes part of back-office cash management, compliance workflow, and reconciliation. That expands the operational demands on the stablecoin arrangement because business users usually care more about reliability, reporting, and legal clarity than about speculative access.[2][8]
Operational questions that decide whether distribution works
A distribution plan for USD1 stablecoins is only as strong as its operational design. Several questions matter more than they first appear.
Which chain or ledger carries USD1 stablecoins?
Different blockchains provide different throughput, fee behavior, validator structures, outage histories, and wallet ecosystems. The technical details matter because users experience distribution through confirmation times, transaction costs, and wallet support. USD1 stablecoins that are theoretically available but expensive or awkward to move may still be poorly distributed for ordinary payments or treasury operations. At the same time, central bank researchers note that technical availability alone is not enough. If settlement finality is weak or uncertain, users cannot treat USD1 stablecoins as dependable money-like value.[3][8]
Is value consistent across venues and chains?
European Central Bank research on fungibility argues that payment instruments only function smoothly when they combine settlement finality, interoperability, and convertibility into higher-tier money. In practical terms, USD1 stablecoins distributed on multiple chains, through multiple custodians, or across wrapped or bridged forms should still give users confidence that the same amount of USD1 stablecoins received in one place is meaningfully interchangeable with the same amount received elsewhere. If the answer depends on opaque bridging arrangements or different legal claims, then multi-chain distribution can increase reach while reducing clarity.[8][10]
Can reserve assets be liquidated quickly enough?
Distribution expands obligations. The more holders and venues a stablecoin reaches, the more important it becomes that reserve assets can absorb redemptions and stress outflows. New York's guidance explicitly links reserve management to redemption timing, and the Financial Stability Board calls for liquidity risk management, contingency funding, and reserve assets that can be readily and immediately converted into fiat currency at little or no loss. Distribution therefore has a treasury management dimension. It is not just a wallet growth metric.[1][2]
Are records and reconciliations good enough?
A strong distribution system should know how many USD1 stablecoins are outstanding, on which chains they circulate, which intermediaries hold operational balances, and whether reserve-side records reconcile with the supply of USD1 stablecoins. New York requires monthly accountant attestations on reserve adequacy and outstanding USD1 stablecoins, plus annual attestation work on internal controls. The Financial Stability Board likewise emphasizes disclosures and reserve transparency. For distributors, these controls reduce the chance that operational growth outruns the record-keeping needed to support it.[1][2]
What happens in stressed conditions?
The Federal Reserve's work on stablecoin runs shows that stress can migrate rapidly from new information to secondary market selling pressure to redemption demand. A serious distribution setup therefore needs contingency planning, customer communications, and decision rules for bank holiday timing, exchange outages, large redemption queues, and cross-venue price gaps. Stress design is not an optional add-on. It is part of distribution because users only discover whether access is real when the system is under strain.[5][9]
Compliance, sanctions, and counterparty controls
Distribution of USD1 stablecoins is also a compliance problem. New York's guidance is explicit that stablecoin issuers may face requirements related to Bank Secrecy Act and anti-money laundering controls, sanctions compliance, cybersecurity, consumer protection, and payment system integrity. The Financial Stability Board likewise says that a comprehensive framework should address issues beyond narrow financial stability, including anti-money laundering and counter-terrorist financing concerns. Distribution therefore sits at the intersection of technical design and regulated financial activity.[1][2]
FATF has become more direct on the risks surrounding stablecoin distribution, especially when peer-to-peer transfers and unhosted wallets are involved. Its 2026 targeted report explains that it focuses on the growing money laundering, terrorist financing, and proliferation financing risks associated with stablecoins, with particular attention to peer-to-peer transactions involving unhosted wallets. That does not mean USD1 stablecoins cannot be distributed to self-custodied users. It does mean that every distribution model has to decide how onboarding, screening, monitoring, and transaction limits will work when the receiving wallet is not hosted by a regulated intermediary.[6]
The Travel Rule adds another layer. In plain English, the Travel Rule is the requirement that certain information about the sender and recipient accompany qualifying virtual asset transfers between regulated service providers. FATF's 2025 report on Travel Rule supervision shows progress but also uneven implementation across jurisdictions, including different approaches to whether domestic providers may transact with foreign providers that are unlicensed, unregistered, or not clearly compliant. For distributors of USD1 stablecoins, this means an onchain address may be technically reachable long before it becomes a low-friction compliance destination.[7]
FinCEN guidance adds an important U.S. perspective. Its 2019 framework stresses that the regulatory treatment of convertible virtual currency activity depends on the business model and the underlying pattern of activity, not just on whatever label a firm uses for itself. In other words, a distributor cannot assume that calling itself a software company or liquidity platform removes money transmission or related obligations. The analysis turns on what the firm actually does with customer value, transmission, exchange, custody, and related services.[11]
Cross-border distribution therefore needs discipline. A stablecoin may be available on the internet, but lawful distribution still depends on the jurisdictions of the issuer, the intermediary, the customer, the reserve custodian, and sometimes the blockchain service provider. Some businesses respond by limiting countries, limiting wallet types, or requiring stronger review for higher-risk flows. Others focus distribution on licensed counterparties or on jurisdictions where Travel Rule and virtual asset service provider rules are clearer. Those choices can reduce growth in the short term, but they often improve long-term durability because they align distribution with legal and supervisory expectations rather than with pure speed.[6][7][11]
How businesses evaluate a distribution setup
When a business evaluates how USD1 stablecoins are distributed, it usually looks at a short list of practical questions rather than broad narratives.
-
What exactly is the redemption promise? A business wants to know who owes redemption, in which currency, on what timeline, and under what conditions. New York's guidance is particularly useful here because it spells out rights to redeem at par and sets a usual baseline expectation of timely processing by no more than two business days for a compliant order.[1]
-
What assets back the system, and how often are they checked? Broad distribution is much easier to trust when reserve assets are narrow, liquid, and transparent. Both New York and the Financial Stability Board emphasize reserve quality, segregation, and disclosures, while New York also requires regular public attestation reports.[1][2]
-
Which legal entities and intermediaries are involved? Businesses do not only face risk tied to USD1 stablecoins. They also face issuer risk, custodian risk, exchange risk, and banking partner risk. A distribution model that looks simple at the wallet level can hide a long chain of counterparties behind the scenes.[1][2][11]
-
How do hosted and unhosted wallets fit into the model? The answer affects customer support, recovery procedures, sanctions screening, Travel Rule obligations, and fraud handling. FATF's recent reporting shows why this question has become more important for stablecoin distribution over time.[6][7]
-
How deep is secondary market liquidity under stress? Federal Reserve research shows that secondary markets can become the main outlet for user behavior during crisis periods. Businesses that hold or distribute USD1 stablecoins therefore care about exchange depth, market maker coverage, and emergency redemption communications, not just about ordinary day-to-day spreads.[4][5]
-
Is multi-chain support truly interchangeable? USD1 stablecoins that appear on many chains may or may not be operationally equivalent everywhere. European Central Bank work on fungibility is a good reminder that interoperability, settlement finality, and convertibility all matter if one chain's version of the asset is expected to behave like another's.[8][10]
None of these questions is glamorous. That is exactly the point. Distribution of USD1 stablecoins is mostly about operational detail, legal clarity, and boring but essential controls. The more a distribution strategy depends on these basics, the less it depends on fragile confidence alone.[1][2][9]
Common misconceptions
More circulation always means better distribution
Not necessarily. Large circulation can reflect real adoption, but it can also hide concentration in a few venues or heavy dependence on a narrow class of market makers. Distribution is stronger when users have multiple reliable ways to enter and exit, supported by transparent reserves and credible redemption rights, not merely when the headline supply number is high.[2][5]
Secondary market trading is the same as redemption
It is not. Selling USD1 stablecoins on an exchange means finding another buyer. Redemption means presenting USD1 stablecoins through the relevant channel and receiving fiat value back from the reserve-backed system. Prices in the secondary market can deviate from par even when the formal redemption promise remains in place, especially if primary operations are delayed or confidence is shaken.[3][5]
Multi-chain distribution is automatically seamless
It is not automatic. Distribution across chains can improve reach, but true interchangeability requires settlement finality, interoperability, and strong convertibility back into higher-tier money. Without those elements, multi-chain presence may increase user confusion instead of reducing friction.[8][10]
Yield is part of basic distribution
Usually it is not. The European Central Bank notes that stablecoins as such do not normally pay interest, even though some platforms offer returns through lending, liquidity provision, or yield farming. Those return-generating activities add new counterparties and new risks. They should be analyzed separately from the core question of whether USD1 stablecoins are well distributed and redeemable.[12]
Good technology removes the need for regulation and disclosures
It does not. The Financial Stability Board, FATF, FinCEN, and state supervisors all frame stablecoin arrangements as activity-based systems with governance, reserve, and compliance obligations that persist regardless of how modern the technology stack may be. Better technology can improve execution, but it does not eliminate the need for legal claims, reserve transparency, and anti-illicit-finance controls.[1][2][6][11]
Frequently asked questions
Is distribution the same as issuance?
No. Issuance is only the moment when new USD1 stablecoins are created. Distribution includes issuance, secondary trading, wallet availability, treasury movement, payment use, and redemption pathways. Federal Reserve and Financial Stability Board materials both treat issuance, redemption, transfer, and user interaction as distinct but connected parts of a stablecoin arrangement.[2][3][4]
Can USD1 stablecoins be distributed through exchanges even if the user never deals directly with an issuer?
Yes. That is one of the most common forms of secondary distribution. However, a user's direct exchange access is not the same as having a direct redemption right against the issuer, and that difference matters during stress or operational disruption.[4][5]
Why does par redemption matter so much?
Par redemption anchors confidence. If market participants believe that eligible holders can redeem at one-for-one value in U.S. dollars within a clear process, secondary market prices tend to stay closer to that anchor. New York's guidance and the Financial Stability Board both treat timely redemption at par as central to reserve-backed stablecoin stability.[1][2]
Why is distribution across multiple chains difficult?
Because users expect sameness, while the underlying rails may differ. Chain architecture, wallet support, settlement finality, bridge design, and legal claims can all vary. European Central Bank work shows that interoperability, finality, and convertibility are the core conditions for fungibility across payment environments.[8][10]
Are unhosted wallets incompatible with distributing USD1 stablecoins?
No, but they change the risk and compliance design. Unhosted wallets give users direct control, yet FATF highlights increased illicit finance risks in some stablecoin activity involving peer-to-peer transactions and unhosted wallets. A compliant distribution model therefore needs clear policies for screening, limits, and counterparty handling where law and risk appetite require them.[6][7]
What is the simplest way to summarize good distribution?
Good distribution of USD1 stablecoins means the units can be created against credible backing, move through usable and lawful channels, remain understandable across wallets and venues, and be redeemed with reasonable predictability. Poor distribution is the opposite: opaque reserves, weak redemption terms, shallow liquidity, unclear counterparties, and compliance shortcuts that only become visible after problems start.[1][2][5][8]
Final perspective
For USD1 Stablecoin Distribution, the most sensible definition of distribution is not promotional reach. It is the combination of issuance quality, access quality, and exit quality.
Issuance quality asks whether newly created USD1 stablecoins are backed by appropriate assets, supported by real controls, and linked to a clear redemption promise. Access quality asks whether users can obtain and move USD1 stablecoins through workable channels such as exchanges, wallets, business platforms, and payment systems. Exit quality asks whether the holder can return to U.S. dollars at par through a transparent and credible process when that matters most. Every major supervisory and policy source on stablecoins circles back to these same ideas even when it uses different language.[1][2][3][4][8]
That is why distribution should be discussed with a sober tone. Strong distribution of USD1 stablecoins can improve usability, liquidity, and operational reach. Weak distribution can do the opposite by spreading uncertainty faster than confidence. USD1 stablecoins may appear everywhere, but they are not truly well distributed unless entry, holding, transfer, and redemption all make sense together. For readers using USD1 Stablecoin Distribution as a learning resource, that is the core takeaway: in stablecoin systems, distribution is not separate from trust. Distribution is one of the main ways trust becomes visible.[1][2][5][9]
Sources
- New York Department of Financial Services, Guidance on the Issuance of U.S. Dollar-Backed Stablecoins
- Financial Stability Board, High-level Recommendations for the Regulation, Supervision and Oversight of Global Stablecoin Arrangements: Final report
- Board of Governors of the Federal Reserve System, The stable in stablecoins
- Board of Governors of the Federal Reserve System, Primary and Secondary Markets for Stablecoins
- Board of Governors of the Federal Reserve System, In the Shadow of Bank Runs: Lessons from the Silicon Valley Bank Failure and Its Impact on Stablecoins
- Financial Action Task Force, Targeted Report on Stablecoins and Unhosted Wallets
- Financial Action Task Force, Best Practices in Travel Rule Supervision
- European Central Bank, Central bank money as a catalyst for fungibility: the case of stablecoins
- Board of Governors of the Federal Reserve System, A brief history of bank notes in the United States and some lessons for stablecoins
- Bank for International Settlements, The next-generation monetary and financial system
- Financial Crimes Enforcement Network, Application of FinCEN's Regulations to Certain Business Models Involving Convertible Virtual Currencies
- European Central Bank, From hype to hazard: what stablecoins mean for Europe