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Friend's hmrc tax confusion over crypto gains explained

Friend's HMRC Tax Confusion Over Crypto Gains | New Insights from the Forum

By

Chen Wei

Jun 25, 2025, 05:43 AM

Edited By

Raj Patel

Updated

Jun 25, 2025, 07:40 AM

2 minutes needed to read

Individual looking at tax software with a worried expression while examining crypto transactions
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A recent HMRC communication sparked concerns about potential tax liabilities tied to crypto trading. The individual, initially worried about significant gains, discovered he was breaking even for the year.

The Core Issue Revealed

Confusion stems from HMRC’s classification of cryptocurrency transactions. Regulated as disposals for Capital Gains Tax, each crypto-to-crypto swap requires precise GBP valuations at the time of the transaction, complicating Section 104 pooling calculations.

While connecting exchange APIs to tax software, the surprising result was a minor loss for the year, rather than substantial gains. This loss can be carried forward against future profits.

"Instead of major gains, he encountered a small loss for the tax year."

The Complicated World of DeFi Tokens

Another area of concern emerged from providing liquidity to DeFi pools. The software categorized this as a disposal event for Capital Gains Tax, even when simply adding liquidity. The key question remains: how can HMRC expect accurate valuations for tokens without established market prices?

Forum comments added depth to this issue:

  • Tax Bragging: "Just report your numbers and pay what you believe is accurate," suggested one commenter, emphasizing transparency in filing tax returns.

  • Calculating Valuation: Another emphasized, "Tokens are fungible; a reasonable methodology for audits is essential."

HMRC's Failing Framework

One user expressed frustration with HMRC’s inability to adapt to the crypto landscape:

"Their rules simply aren’t fit for purpose. If HMRC's tools indicate a loss, declare that, but prepare to justify your declaration."

The complexities were compounded by LP token taxation. Users proposed calculating disposal values based on the individual assets when entering the position, noting the need to document transactions accurately.

"When you exit the position, you are realizing a capital gain or loss at the exit value."

Navigating HMRC's Unclear Standards

Forum discussions highlighted practical strategies for managing LP token valuations and staked assets. A user shared insights on treating LP fees as miscellaneous income upon receipt, while also struggling with how to account for these when filing taxes.

Key Insights

  • πŸ’‘ Crypto-to-crypto swaps are classified as disposals, complicating tax submissions.

  • πŸ“‰ Tax software outcomes can challenge initial assumptions, often revealing small losses.

  • πŸ”„ Liquidity pool token valuation remains problematic without recognized market prices, leaving many crypto traders guessing at their tax liabilities.

  • 🎯 Clear documentation is vital; transparency can guard against audits when filing.

An ongoing conversation surrounds HMRC’s need to streamline guidelines for this expanding sector. With many traders struggling to meet the requirements, the pressure on regulatory bodies to clarify rules is growing. Are we on the verge of seeing real change in how HMRC approaches crypto taxation?