Maple Finance: DeFi institutional loans and taxation in Spain
Maple Finance is a decentralized lending protocol with a different approach than Aave or Compound: instead of anonymous, overcollateralized loans, Maple offers loans to verified institutions (venture capital funds, market makers, crypto companies) that undergo a KYB (Know Your Business) process.
##How does Maple work?
The model has three participants:
- Lenders: deposit USDC into Maple pools to earn interest.
- Pool Delegates (pool managers): evaluate and approve loans to institutions. They charge a portion of the interest.
- Institutional borrowers: receive USDC without overcollateralization (corporate guarantees/KYB only).
The Ordinary Lender: Simply deposit USDC and earn APY (historically 5-12% depending on pool and timing).
Maple Finance products in 2025
Maple Cash (USDC)
- USDC pool that lends to institutions with real guarantees.
- Yield in USDC: 6-10% APY.
- Limited liquidity: funds have a typical lock-up period.
Maple BTC Loans
- Loans to institutions with BTC as collateral.
- Yield paid in BTC or USDC.
Taxation for the lender in Spain
USDC Deposit on Maple
- If you deposit USDC and receive back USDC + interest: it may be USDC transmission or not (depends on whether the pool token is a different asset).
- If you receive a representative token (maplePoolToken): it can be considered transmission of USDC, acquisition of the pool token.
Interest received
The interest in USDC distributed by Maple is a return on capital:
- Base: USDC value in EUR at the time of receipt.
- At the official USD/EUR exchange rate.
- They are declared as return on capital on the savings basis.
MPL/SYRUP: the governance token
Maple has the MPL token (now SYRUP after a rebrand). If you receive SYRUP as a staking or farming reward:
- Return on movable capital → market value upon receipt.
- Subsequent sale: capital gain/loss.
The risk of institutional default
A real risk at Maple Finance is the default of institutional debtors. In 2022, several Maple pools experienced significant defaults (Orthogonal Trading, Alameda Research).
Tax treatment of a non-payment:
- If the loan is not returned and the lender loses its deposit: capital loss.
- The loss must be documented (pool failure recognized by the protocol).
- It can be offset with profits from the same period or carried forward 4 years.
Maple vs Aave vs Compound: tax comparison
| Appearance | Maple Finance | Aave v3 | Compound |
|---|---|---|---|
| Counterpart | Institutional with KYB | Overcollateralized Anonymous | Overcollateralized Anonymous |
| Performance | USDC/BTC (fixed interest) | aTokens rebasing | cTokens appreciation |
| Liquidity | Typical lock-up | Immediate | Immediate |
| Interest taxation | RCM | RCM/GPO | RCM/GPO |
| Risk of loss | Institutional default | Failed settlement | Failed settlement |
Reporting for Maple
Maple Finance offers a web interface where you can see:
- History of deposits and withdrawals.
- Interest charged month to month.
- Status of loans in your pool.
It can be exported for tax use, although the granularity may vary.
Is Maple Finance a regulated financial service?
In 2024-2025, Maple Finance obtained registrations in the Cayman Islands and is exploring regulation under MiCA. For the Spanish investor:
- If Maple is regulated, the tax treatment of its returns can be assimilated to traditional financial income.
- Without recognized regulation, general DeFi criteria apply.
Updated: April 2026 | Fiscal year: 2025