Cross-Chain Swap Guide: Polkadot & Ethereum Ecosystems

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Supported Swap Pairs & Providers

Polkadot Ecosystem Cross-Chain Swaps

Swap ProviderSupported Swap Pair
SimpleSwapDOT (Polkadot) ↔ TAO (Bittensor)

Ethereum Ecosystem Cross-Chain Swaps

Swap ProviderSupported Swap Pairs
ChainFlipETH ↔ USDC (Arbitrum), USDT ↔ USDC, FLIP ↔ ETH, and 5+ other interchain pairs
KyberSwap1,000+ pairs across 10+ networks (Full list available on their platform)

Polkadot ↔ Ethereum Bridge Swaps

Swap ProviderSupported Swap Pairs
ChainFlipDOT ↔ ETH, DOT ↔ FLIP, DOT ↔ USDC (Arbitrum)
SimpleSwapDOT ↔ ETH/USDC/USDT; TAO ↔ ETH/USDC/USDT

👉 Best practices for secure cross-chain swaps

How to Execute Cross-Chain Swaps

Step-by-Step Process

  1. Initiate Swap

    • Open SubWallet extension → Click "Swap" button
    • Accept risk disclaimer if first-time user
  2. Token Selection

    • Choose input token (e.g., DOT)
    • Select output token (e.g., TAO)
    • Enter swap amount (Automatic quote generation)
  3. Transaction Approval

    • Review swap details
    • Click "Approve" to sign transaction
    • Processing time: 5-60 minutes (varies by provider)
  4. Completion

    • View transaction hash in history
    • Track progress via blockchain explorer

Slippage Tolerance

FAQ Section

How long do cross-chain swaps take?

Typically 5-60 minutes depending on network congestion and provider processing times.

Are there minimum swap amounts?

Yes, each provider sets individual minimums. Check quotes before confirming transactions.

Which wallets support these swaps?

👉 Compatible wallet list includes SubWallet, Talisman, and MetaMask.

Is there a fee for failed transactions?

Blockchain network fees are non-refundable, but swap providers generally don't charge additional fees for failed transactions.

Key Advantages

For optimal swap execution:

  1. Compare quotes across providers
  2. Check real-time network fees
  3. Verify destination addresses

Always confirm token contract addresses when receiving assets on new chains.