Circle USDC bridge tax for your Belgian return

Cryptotax automatically detects your Circle CCTP native USDC transfers between chains. Get a clear overview of your cross-chain USDC movements for the Belgian tax authorities.

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Capital gains tax 2026: The capital gains tax law was approved by the Chamber on 3 April 2026. Since 1 January 2026 you pay 10% on crypto capital gains above €10,000/year. Cryptotax calculates this automatically. More info →

What is Circle CCTP?

Cross-Chain Transfer Protocol (CCTP) is Circle's native bridging solution for USDC. Instead of using wrapped tokens, CCTP burns USDC on the source chain and mints native USDC on the destination chain, supporting Ethereum, Arbitrum, Base, Optimism and more.

Native USDC

CCTP sends real native USDC, not wrapped or bridged versions. This eliminates bridge token risks and ensures perfect 1:1 USDC parity across all supported chains.

Burn & Mint

The protocol burns USDC on the source chain and mints the exact same amount on the destination chain via Circle's attestation service. This is fundamentally safer than liquidity pool bridges.

Supported Chains

CCTP supports Ethereum, Arbitrum, Base, Optimism, Polygon, Avalanche and more. Most major DeFi platforms use CCTP for USDC transfers.

What does Cryptotax support for Circle Bridge?

Bridge Detection

  • CCTP burn event detection
  • Attestation tracking
  • Mint event matching
  • Cross-chain linking

Fee Tracking

  • Gas costs on source chain
  • Gas costs on destination
  • Attestation fees (where applicable)
  • Total bridge cost calculation

Multi-chain Support

  • Ethereum mainnet
  • Arbitrum, Base, Optimism
  • Polygon
  • Avalanche C-Chain

How does Cryptotax treat your Circle Bridge activity for tax?

Key tax considerations

  • ①
    Bridging USDC is not a taxable event.

    Transferring USDC from chain A to chain B via CCTP is not a realization of capital gain. USDC is a stablecoin with a fixed value, so there is no exchange gain.

  • ②
    Bridge fees are an expense.

    Gas costs for bridging can be treated as transaction costs. For business use they may be deductible. For personal use they increase your cost basis.

  • ③
    USDC depeg scenarios.

    In the theoretical event that USDC depegs, the change in value may have tax consequences. Cryptotax tracks the EUR value at the time of each transaction.

  • ④
    Cost basis is preserved.

    Your USDC cost basis (typically 1:1 with EUR/USD) is carried over to the destination chain. This is important for accurate portfolio tracking.

This overview is informational. For personal tax planning we recommend professional advice.

Belgian crypto tax 2026

📊 Capital gains tax explained ⚖️ 10% vs 33% vs 50% 🏦 CAP declaration per exchange 🔢 FIFO cost basis calculation

Import your Circle Bridge activity today

Connect your wallets on all chains, let our engine match all CCTP transfers, and receive a report that is ready for your Belgian return. Perfect cross-chain tracking.

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