How the CRA taxes Bitcoin and cryptocurrency mining income — business income rules, deductible expenses, hobby mining, and T2125 reporting.
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Get KOHO Free — Code 45ET55JSYAThe Canada Revenue Agency treats cryptocurrency received from mining as business income at the fair market value (in CAD) on the date each coin or token is received. This means you must record the CAD value of every mined coin on the day you receive it — that value becomes both your income and your adjusted cost base (ACB) for future dispositions.
When you later sell the mined cryptocurrency, any additional appreciation above your ACB (the FMV at receipt) is treated as a capital gain. So mined crypto is taxed twice in a sense: once as income when received, and potentially again as a capital gain when sold at a higher price.
Not all mining is automatically classified as a business. The CRA distinguishes between hobby mining (personal interest, no profit motive) and business mining (commercial intent). The distinction matters because:
Most serious crypto miners will be classified as businesses. Even solo miners with a few ASICs can be considered a business if they operate with profit intent. When in doubt, keeping detailed records and filing as a business is the conservative approach.
Business miners can deduct legitimate expenses against their mining income. Key deductible expenses include:
| Expense | Deductibility | Notes |
|---|---|---|
| Electricity | 100% | Business portion; keep utility bills |
| Mining hardware (ASICs, GPUs) | CCA (depreciation) | Class 10 or 50 — deducted over time |
| Mining pool fees | 100% | Reduces gross income |
| Internet | Business portion | Prorate if also personal use |
| Cooling equipment | CCA | Depreciable over time |
| Dedicated mining space rent | 100% | Arm's length transaction |
| Home office (mining in home) | Proportional | Use CRA home office rules |
| Software and monitoring tools | 100% | Mining management software |
Mining hardware is a depreciable asset. GPUs typically fall under Class 10 (30% CCA per year on a declining balance), while dedicated ASIC miners may qualify for accelerated investment incentive treatment under recent federal tax legislation, allowing up to 100% first-year deduction in some circumstances. Consult a CPA for the optimal CCA class for your equipment.
CRA requires you to maintain records for at least 6 years. For mining operations, this means:
Mining pool dashboards (Slush Pool, F2Pool, Antpool, etc.) often provide CSV exports of payouts. Download these regularly — historical data can be lost if you switch pools or close accounts.
Mining income as a business is reported on Form T2125 — Statement of Business or Professional Activities, which is part of your T1 General personal income tax return. You'll report:
Capital gains on subsequently sold mining rewards go on Schedule 3 as usual. Remember your ACB for mined coins is their FMV at receipt — not zero.
Pool mining: Each payout from a mining pool is a separate income event. Most pools pay out frequently (daily or per block share). You need to record the CAD value of each individual payout.
Solo mining: You receive income only when you solve a block. For Bitcoin, this is rare for most miners. Income is recorded at block reward FMV when received.
Cloud mining contracts: Payments received from cloud mining contracts are treated similarly to pool mining — business income at FMV on receipt. However, the upfront contract cost may be deductible over the contract term or as CCA if structured as a capital asset.