Aave DeFi Taxes in the US 2026 – Lending, Borrowing & aToken Guide
Aave is the largest DeFi lending protocol. Its aToken system and borrowing mechanics create unique US tax questions that many investors get wrong.
Depositing to Aave: aTokens
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Start for free →When you deposit crypto into Aave, you receive aTokens (e.g., deposit ETH → receive aETH). Tax treatment is debated:
- Conservative view: Receiving aTokens is a taxable swap – you disposed of ETH for aETH
- Aggressive view: aTokens are just a receipt/wrapper, not a new asset – no taxable event
- Most US tax professionals lean toward the conservative view given IRS property treatment
aToken Interest Accumulation
aTokens increase in quantity automatically to reflect accruing interest. This interest is taxable as ordinary income, but the exact timing is unclear. Options:
- Report income as it accrues (mark-to-market approach)
- Report income when you withdraw and realize it
- Most investors report when they withdraw for simplicity
Borrowing Against Crypto (Not Taxable)
Taking a loan using your crypto as collateral is not a taxable event. You retain ownership of the collateral. This is a key strategy: access liquidity without triggering capital gains.
However, if you are liquidated (forced sale of collateral), that IS a taxable disposal at the liquidation price.
Liquidation Events
Being liquidated on Aave means your collateral was sold. This is a taxable disposal. Calculate gain/loss based on your cost basis and the liquidation price. These are typically short-term gains (capital was deployed recently).
AAVE Governance Token
Staking AAVE in the Safety Module earns staking rewards. These rewards are ordinary income when received. Selling AAVE is a capital gains event. AAVE received in airdrops or liquidity mining programs is income at FMV when received.
Flash Loans
Flash loans on Aave are repaid within the same transaction. If the flash loan generates profit, that profit is ordinary income or capital gain depending on how it is used.
Related Resources
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Start for free →Disclaimer: This article is for general informational purposes only and does not constitute tax advice. For individual tax advice, consult a licensed tax professional.