Why HMRC's First Crypto Gains Tables Arrive After the Chain Settled
On 27 August 2026 HM Revenue and Customs published something it had never published before: official Capital Gains Tax statistics that isolate cryptoasset gains. Two hundred and forty people reported more than £1 million in cryptoasset capital gains in the 2024 to 2025 tax year, accounting for £717 million between them. Across the same year, 17,600 individuals reported cryptoasset disposal proceeds of £13.8 billion and gains of £1.38 billion. The tables are new. The trades are not. What Whitehall has now is a reconstruction of the fraction that people chose to write on a Self Assessment return.
What the Story Claims
HMRC presents the release as a compliance success. It is the first time the department has published this specific cut of the data, after adding a dedicated cryptoasset section to the Self Assessment return for 2024 to 2025. James Murray MP, Financial Secretary to the Treasury, said taxes are due on cryptoasset gains “just like any other gains,” and that the work supports the government’s effort to close the tax gap. John-Paul Marks, HMRC’s Permanent Secretary, said the department wants to make it “as easy as possible” for people to meet their obligations.
Those rules are the OECD Cryptoasset Reporting Framework, which the United Kingdom began implementing in January 2026. Under CARF, cryptoasset service providers must collect customer information and report it to tax authorities. HMRC says it will start receiving that data from 2027. Providers that fail to comply may face penalties of up to £300 per user. First reports are due between 1 January and 31 May 2027. HMRC estimates that education and compliance work since late 2023 generated an additional £168 million of Capital Gains Tax in 2024 to 2025.
The release is careful about what it is counting. Disposals include selling cryptoassets, exchanging them, using them to pay for goods or services, and giving them away other than to a spouse, civil partner or charity. Around 87 per cent of individuals reporting cryptoasset gains were male. There is still no equivalent Self Assessment box for cryptoasset income such as mining or staking. The statistics page records a new Table 10 on cryptoasset gains. The headline is visibility. The method is still a form.
The Austrian Diagnosis: Knowledge Arrives After the Fact
Friedrich Hayek (1899–1992), in his 1945 essay “The Use of Knowledge in Society,” argued that the knowledge a modern economy uses never exists in concentrated form. It lives as incomplete fragments held by separate people. Prices, not questionnaires, are how that knowledge is used. A statistical table is what you get when a centre tries to gather the fragments after the fact, by abstracting from the particular circumstances of time and place that made each trade worth making.
Table 10 is that abstraction. HMRC does not know, at the moment of disposal, which of those 17,600 people is exchanging ether for a payroll, rotating out of bitcoin, or paying for a service in tokens. The department knows what they later declared in sterling, on a return, against pooled costs they were told to keep themselves. Exchange reports, HMRC’s own guidance warns, “are not tax calculations” and will not track pooled costs. The knowledge that actually priced the trade never reaches the table.
CARF does not close that gap. It deputises the service provider. From 2027 HMRC will receive customer files from platforms that sit at the edge of the activity, not from the public state of the chains on which the activity settled. The report covers users who are tax resident in the United Kingdom or another CARF country. It does not cover a peer-to-peer transfer that never touched a reporting intermediary. A penalty of £300 per user is a price on non-reporting by the platform. It is not a price on the knowledge the platform never had.
The £168 million “generated” by education and compliance is the seen half of the same problem. HMRC can count extra Capital Gains Tax that followed a campaign. It cannot count the trades that moved off reporting venues, the wallets that never filled in the new box, or the mining and staking income that still has no dedicated line. The table is not a census of crypto. It is a census of people who filled in a form about crypto.
The Historical Parallel: FATCA Already Tried the Intermediary
The United States ran a version of this experiment on ordinary bank accounts. The Foreign Account Tax Compliance Act, passed as part of the HIRE Act, generally requires foreign financial institutions and certain other foreign entities to report on the foreign assets held by their United States account holders, or face withholding on withholdable payments. The tax authority could not see the offshore account, so it made the bank the reporter. The state does not observe the account. The intermediary files the account.
CARF is that model applied to tokens. The lag is the tell. FATCA did not give Washington a live picture of every foreign balance. It gave Washington a delayed file from institutions that could be threatened. HMRC’s first crypto tables, published in August 2026 about a tax year that ended in April 2025, are the same shape. The dedicated Self Assessment box is the domestic version. The 2027 CARF feed is the international version. In both cases the centre admits, by the design of the tool, that it does not possess the knowledge at the moment of action.
The reconstruction is always thinner than the market. Banks under FATCA reported accounts they held. They did not report cash under a mattress. Cryptoasset service providers under CARF will report users they onboarded. They will not report a mainnet transfer between two self-custody wallets that never asked them for a name. Hayek’s point was not that statistics are useless. It was that statistics, by lumping unlike things together, cannot carry the knowledge on which the next decision actually turns. Table 10 publishes an average. It is not what any of those people knew when they clicked send.
Why This Matters for Sound Money
Part 1 of Rails to Freedom treats prices as the only honest knowledge system: they compress dispersed facts into a number a stranger can act on, without a ministry collecting the facts first. A tax table that arrives sixteen months after the tax year closed is not that system. It is a downstream ledger of declarations, useful for enforcement, silent about the knowledge that made the gains possible. Sound money does not mean gains are untaxable. It means the record in which those gains are first real does not wait on a Self Assessment calendar.
Chapter 9 of the book, “Governments in Retreat,” adds the jurisdictional cut. States have two familiar tools, regulation and taxation, and both can be routed around when users exit to open protocols. CARF is the smart-state path: do not prohibit the asset; deputise the service provider and compete for the reporting perimeter. That is more sophisticated than a ban. It is still a perimeter. Users who never touch a UK cryptoasset service provider are outside the first report. The chain does not ask which country is signed up to CARF. The reporting file does.
What Markets Are Already Doing
The release itself names Bitcoin, Ethereum and Dogecoin as examples of the cryptoassets being disposed of. The load-bearing contrast is settlement. Ethereum mainnet — the public, permissionless chain launched in 2015, whose native asset is ether — records a transfer when a block includes it and the validator set attests. Thousands of independent nodes store the same state. There is no Self Assessment box inside that state change. The knowledge of who sent what to whom is public at the moment of inclusion. What is not public, and what HMRC still cannot have, is the private circumstance that made the transfer worth making.
That is the honest Ethereum attribution. Named protocols on Ethereum can be used to effect a disposal. They are not what this statistical release is about. The chain that already settled many of those disposals does not need Table 10 to know that a transfer occurred. It needed a fee in ether, a signed transaction, and consensus. HMRC needed a new box on a return, a dedicated annual table, and a 2027 feed from service providers. The two clocks are not the same clock.
Looking Ahead
Anyone with cryptoasset income or gains for 2025 to 2026 above the tax-free allowance is told to declare them by 31 January 2027. CARF files will begin arriving in the same year. Watch the lag, not the millionaire count. If the tables get thicker while peer-to-peer settlement stays public and instant, HMRC will have better files about the platforms it can reach, and the same knowledge problem about the trades that never sat on those platforms. The chain will have settled those too, without waiting to be counted.