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Histórias do Finbooks Lab: congelar e proteger dados

Geschichten aus dem Finbooks Lab: Daten einfrieren und schützen

Historias del Finbooks Lab: Congelar y proteger los datos

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Storie dal Finbooks Lab: congelare e proteggere i dati

Stories from the Finbooks Lab: freezing and protecting data

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Storie dal Finbooks Lab: un agente specializzato in CSV

Stories from the Finbooks Lab: an agent that specialises in CSV files

Histórias do Finbooks Lab: as finanças tradicionais

Geschichten aus dem Finbooks Lab: Traditionelle Finanzanlagen

Historias del Finbooks Lab: Finanzas Tradicionales

Histoires du Finbooks Lab : la finance traditionnelle

Storie dal Finbooks Lab: la finanza tradizionale

Stories from the Finbooks Lab: traditional finance

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The compliance nightmare: losing your Section 104 history

The emergency checklist: what to download today

Binance and MiCA: why you must secure your crypto tax data before July 1st

Why DeFi lending is different from buying and selling

DeFi lending and beneficial ownership: the £10,000 question HMRC hasn't answered

Investment tax records UK: why crypto, brokers and wallets all need clean data in 2026

First step: Identify which tax years you need to fix

Gather complete data before you calculate anything

Undeclared crypto tax in the UK: how to disclose past gains to HMRC

Crypto ETNs and ISAs: what changes for UK investors from April 2026

What matters for the 2025/26 crypto tax return

Crypto activity | Tax position in the UK | What you need to record |
|---|---|---|
| **Buying and holding** | No tax simply because the asset rises in value. | Date, GBP acquisition cost, quantity and fees. |
| **Transfer between your own wallets** | Normally not a disposal if beneficial ownership remains unchanged. | Both sides of the transfer and the original cost history. |
| **Selling for fiat** | A disposal that can create a capital gain or allowable loss. | GBP proceeds, pooled cost and allowable fees. |
| **Swapping tokens or stablecoins** | A disposal of the asset given up, even when no pounds reach your bank. | GBP market value of both sides at the time of the swap. |
| **Spending crypto** | A disposal of the crypto used to pay for the purchase. | GBP value of the crypto disposed of and its pooled cost. |
| **Gifting crypto** | Usually a market-value disposal. Spouse or civil-partner transfers are generally no gain/no loss, while qualifying charity gifts have separate relief. | Recipient, date, market value and the relief being claimed. |
| **Staking, mining and activity-based rewards** | Often Income Tax on receipt, followed by CGT on a later disposal. | Quantity and GBP value when received, then later disposal details. |
| **NFT purchases and disposals** | The payment token and the NFT can each create a separate disposal. | GBP values, fees, asset acquired and asset given up. |
| **Wrapping, bridging and DeFi deposits** | Depends on whether beneficial ownership changes or a different asset or right is received. | Protocol mechanics, assets before and after, and both transaction legs. |
| **Lost, stolen or worthless crypto** | No automatic disposal or allowable loss; a negligible-value claim may be available in qualifying cases. | Ownership evidence, recovery attempts and support for the asset’s value. |

Typical UK tax treatment for common crypto activity

The same tokens can pass through Income Tax and Capital Gains Tax

Example: applying losses and the £3,000 exemption

The £3,000 exemption is not available in every case

Calculate your complete UK crypto tax position

Example: calculating a Section 104 pooled cost

CARF gives HMRC data, not your taxable gain

Amount or action | Usual reporting route | Relevant date |
|---|---|---|
| **Capital gains and losses** | Cryptoassets section of SA108, where Self Assessment reporting is required. | Online filing by 31 January 2027. |
| **Staking, referrals and taxable airdrops** | SA100 where miscellaneous income applies, or the relevant supplementary pages. | Online filing by 31 January 2027. |
| **Activity amounting to a trade** | Self-employment pages, with the trading rules applied to income, expenses and losses. | Online filing by 31 January 2027. |
| **First-time Self Assessment registration** | Notify HMRC that you need to file. | Normally by 5 October 2026. |
| **Paper Self Assessment** | Paper return and applicable supplementary forms. | 31 October 2026. |
| **Online Self Assessment and payment** | Government Gateway or compatible filing service. | 31 January 2027. |

Crypto reporting routes for the 2025/26 tax year

UK crypto tax questions

7 days free trial

How do you report crypto to HMRC for 2025/26?

UK crypto tax guide 2026: HMRC rules, CGT, Income Tax and Self Assessment

The problem: unified access, fragmented management

CryptoBooks wird zu Finbooks: warum wir unseren Namen geändert haben

CryptoBooks diventa Finbooks: perché abbiamo cambiato nome

CryptoBooks torna-se Finbooks: porque mudámos de nome

CryptoBooks se convierte en Finbooks: por qué cambiamos de nombre

CryptoBooks devient Finbooks : pourquoi nous avons changé de nom

CryptoBooks becomes Finbooks: why we changed our name

Buying crypto with a credit card without KYC in the UK

CARF and crypto in the UK: what changes from 2026

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