Countdown! The UK FCA's new regulations take effect on September 30, 2026, and $BTC platforms that fail to submit applications within the window are doomed?

A countdown timer is rewriting the UK crypto market.

If a platform helps UK users buy $BTC, performs matching trades, custodies assets, or issues stablecoins, the core issue it faces next is direct: whether the business falls within the FCA’s new regulatory perimeter; whether it needs to apply for authorization; and whether it can continue operating during the application review period.

By the end of June 2026, the UK Financial Conduct Authority (FCA) issued a set of crypto-asset regulatory policy statements, covering stablecoin issuance, custody, trading platforms, intermediation, staking, lending, market abuse, information disclosure, prudential capital, and the applicability of the FCA Handbook, among other areas. Under the FCA’s Crypto Roadmap, this means UK crypto regulation has moved from years of consultation into the final rules stage.

From registration to authorization

The UK has already been regulating the crypto industry, but the boundaries were relatively limited. Since January 2020, crypto asset exchange service providers and custodian wallet providers operating in the UK have been required to register with the FCA under anti-money laundering regulations; in 2023, financial promotion rules began to apply to the marketing of crypto assets. This change goes further.

The FCA said that on February 4, 2026, the UK passed the Financial Services and Markets Act 2026 (Crypto Assets) Regulations through Parliament, bringing a wider range of crypto-asset-related business activities under the FCA’s regulatory boundary for the first time. Under the new regime, the full scope of regulated activities will expand starting October 25, 2027.

There are many types of entities involved in this system. The FCA lists relevant activities including: issuing qualifying stablecoins; safeguarding crypto assets; operating a qualifying crypto asset trading platform; dealing in qualifying crypto assets as principal or agent; arranging qualifying crypto asset dealing services (including crypto lending); and arranging qualifying crypto asset staking services, among others.

In other words, when it comes to regulation of crypto, the UK is not targeting just one segment. Whether it is issuance, trading, matching, brokerage, custody, staking, or lending—so long as the business falls within the definition of the new regime, it may need to enter the FCA authorization framework.

The most critical window: whether you can keep operating while the authorization review is ongoing

For crypto companies already operating in the UK market, the key timeframe to watch is September 30, 2026 to February 28, 2027. The FCA states that if a company wants to rely on savings provisions—i.e., transitional preservation clauses—the application window is planned to open on September 30, 2026 and close on February 28, 2027. Companies that meet the criteria and submit applications within the window may continue conducting the specified activities before the FCA makes its decision.

This is not an ordinary date reminder. It determines whether existing companies can continue operating while waiting for authorization review. If the window is missed, companies may lose the protection to continue carrying out the relevant businesses during the transition period.

The FCA also made clear that existing registrations will not automatically convert. Under the current framework—registration under the Financial Services and Markets Act 2000 (FSMA) and the Money Laundering Regulations, or authorization under the payment services and e-money rules, and financial promotion approvals that rely on authorization under Section 21 of FSMA—if the business falls within the scope of the new regulated crypto asset business activities, the company will still need to obtain the corresponding authorization.

This will force many companies to re-assess their business boundaries. Business models that could previously operate under anti-money laundering registration or financial promotion rules may not be sufficient under the new regime. Companies need to first determine whether they fall within the regulatory scope, and then prepare for authorization applications, capital arrangements, risk-control systems, and mechanisms to protect client assets.

Beyond licenses: capital and risk-control thresholds

Getting authorization is not the only issue. This time, the FCA breaks down compliance requirements that previously might have lingered as slogans into more specific rules.

On prudential capital, PS26/12 sets out permanent minimum capital requirements for different activities. For companies dealing in qualifying crypto assets as principal, the requirement is £750,000; for issuing qualifying stablecoins, £350,000; for safeguarding crypto assets, providing qualifying crypto asset staking services, and operating a qualifying crypto asset trading platform, £150,000; and for dealing through an agent role and arranging deals, £75,000.

These figures may seem low, but they are only the baseline. The FCA explains that the firm’s minimum own funds requirement is the highest among three: the permanent minimum capital requirement, the fixed overheads requirement, and the K-factor requirement. Permanent minimum capital is the baseline, while the K-factor is calculated based on the scale of business activity and risk exposure. The FCA also emphasizes that permanent minimum capital is an authorization threshold—firms cannot obtain authorization first and then make up the shortfall in stages after authorization.

The FCA also introduces a basic liquid assets requirement. Relevant firms need to hold core liquid assets equal to one-third of the fixed overheads requirement, plus 1.6% of the total amount of guarantees provided to clients. The use of this liquidity buffer is practical: firms cannot just meet capital requirements on paper; they must also have sufficient liquid assets to support operations, wind down, or handle client-related obligations under stressed scenarios.

Trading platforms and intermediaries also face more granular market conduct rules. In the press release, the FCA states that the new framework will introduce market integrity rules covering areas such as insider dealing and market manipulation. In the overview of the regime, the FCA also brings trading platforms and intermediaries under the activity rules of PS26/11, specifically mentioning requirements such as best execution and price checks across multiple execution venues.

PS26/11 further stipulates that relevant firms must establish procedures for handling client orders to ensure client orders are executed in a timely, fair, and prompt manner. Where possible, firms must also conduct price checks by referring to at least 3 reliable authorized UK execution venues. If there are fewer than 3 authorized UK venues that can execute the order, firms must check against the existing available venues.

The FCA also emphasizes that this is not a mechanical price comparison trade by trade, and it does not require that orders can be executed only at the three venues that were checked. It requires firms to verify their execution policies using reliable price sources and to demonstrate that the execution outcomes they provide to clients are at least as good as those achievable under those authorized UK venues in comparable circumstances.

The focus for custody business is client asset protection. In PS26/11, the FCA confirms that CASS 17 protection requirements will apply to client crypto assets, with key rules covering ownership, record-keeping, asset reconciliation, and private key management.

In short, platforms cannot simply say “assets are transparent on-chain”; they must also prove they know which assets belong to which clients. They must ensure that the ledgers match on-chain assets, and that private key control will not be lost due to internal processes or external attacks.

In its cost-benefit analysis, the FCA provides a more tangible figure: it estimates that custody protection rules could avoid losses of approximately £60 million per year for consumers.

Lending and staking are also brought under a more detailed consumer protection framework. For crypto lending, the FCA retains the core protections for retail clients, including enhanced disclosure, client consent, suitability testing, record-keeping, over-collateralization, and negative balance protection. Negative balance protection means that losses borne by retail clients in crypto borrowing should not exceed the market value of the collateral specifically provided for that borrowing.

For staking services, the FCA retains requirements for disclosure, contract terms, client consent, and record-keeping, but adjusts the rules for automatic staking arrangements. It allows client consent to cover the ongoing staking of current and future holdings, provided that relevant conditions are met and annual notifications are given.

Stablecoins: placed alongside the imagination of payments

Stablecoins are a category of business handled separately under this regulatory framework. The FCA states that qualifying stablecoins issued in the UK will be required to be fully backed and redeemable at par value, to support their use as “money-like instruments.”

The core of PS26/10 is to require stablecoin issuers to build a reviewable mechanism around backing assets, redemption, disclosures, and asset protection. Under the FCA’s final rules, UK stablecoin issuers must provide full backing from the moment the stablecoins are minted, including tokens held by the issuer itself. Tokens that have been permanently destroyed no longer require backing-asset coverage.

The FCA’s rationale is straightforward: stablecoins are transferable. If unbacked tokens enter circulation, it could undermine market confidence in their ability to maintain a 1:1 peg.

Regarding redemption, the FCA requires UK stablecoin issuers to provide a right to redeem at par value and to complete redemptions within a T+1 timeframe. However, the final rules adjust the starting point: T+1 no longer begins from when a complete redemption request is made, but from when the issuer receives the stablecoins to be redeemed into its wallet. This allows AML/KYC checks to be completed before T+1, preventing the cram of anti-money laundering review into the redemption deadline.

For backing assets, the FCA divides stablecoin reserves into two layers: core backing assets and expanded backing assets. Core backing assets include demand deposits and short-term government debt instruments. Expanded backing assets include long-term government debt instruments, shares in public-debt-type CNAV money market funds, and repurchase or reverse repurchase arrangements with a term not exceeding 7 days, backed by government debt instruments.

The FCA sets two liquidity requirements. First, issuers must meet the ODDR (On-demand Deposit Requirement), meaning at least 5% of the backing asset pool must be held as demand deposits. Second, issuers must also meet the CBAR (Core Backing Asset Requirement), meaning they must hold an additional proportion of core backing assets equal to the higher of 5% and the highest single-day redemption ratio over the past 180 redemption days. Demand deposits used to meet the ODDR cannot also be used to meet the CBAR.

The point of this design is to prevent issuers from allocating more yield-oriented long-term or complex assets, while failing to have enough high-liquidity assets available when users redeem in a concentrated manner.

Beyond that, there is a broader regulatory division of labor behind the scenes. On the same day, the FCA and the Bank of England published a joint statement explaining the regulatory path for systemic stablecoin issuers. “General UK stablecoin issuers” are regulated by the FCA; if a UK stablecoin issuer is designated as “systemically important” by the UK Treasury, regulatory responsibility may shift from FCA-only supervision to joint supervision by the FCA and the Bank of England.

PS26/10 also mentions that in the Bank of England’s draft rules, the composition of backing assets for systemic stablecoins may shift to up to 70% UK sovereign debt with a remaining term of less than 6 months, and at least 30% central bank deposits. A single stablecoin may also be subject to a temporary issuance cap of £40 billion, with T+0 redemption required.

This shows that the UK is not treating stablecoins merely as valuation tools in exchanges. As long as they continue to be close to payment and settlement scenarios, regulatory focus will expand from investment risk to reserve safety, redemption stability, and the reliability of financial infrastructure.

Summary

The FCA still reminds that the vast majority of crypto assets are highly speculative, and consumers may lose all of their principal. The new rules will not eliminate these risks, nor do they amount to an endorsement of crypto assets. What they change is another thing: the UK is starting to handle crypto businesses using a more complete set of financial regulatory language.

Under the new framework, Crypto-related companies must also show whether their capital is sufficient, how client assets are protected, whether trade execution is fair, whether stablecoins can be redeemed in accordance with the rules, and who is responsible when risks get out of control.

By October 25, 2027, when the countdown ends, the ones that can truly remain are the companies that can clearly explain their business boundaries, client asset arrangements, capital buffers, and risk responsibilities.

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