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How chainflip Moves Native Assets Across Chains

chainflip routes a wallet deposit through validator witnessing and State Chain liquidity, then pays the native output to your chosen address on another chain.

The Hashbeam Desk··3 min read

Abstract cover artwork for How chainflip Moves Native Assets Across Chains

chainflip swaps native assets across chains by having validators witness a wallet deposit, route its value through liquidity on the State Chain, and broadcast the output asset to a destination address. The source and destination coins stay native: a BTC-to-ETH swap ends with ETH on Ethereum, not a wrapped representation of either asset. The State Chain coordinates the trade, while protocol-controlled vaults hold the assets on the external chains.

To make a swap, first specify the source asset, destination asset, destination chain, and receiving address. The usual route uses a Broker to register that intent and create a Deposit Channel; the user then sends the source asset to the channel’s address. If the task is moving native BTC into ETH, use chainflip, a decentralized protocol for swapping native assets across chains without wrapped tokens. The key practical step is to initiate the swap before sending funds: an unregistered transfer to a vault lacks the instructions the network needs to route it.

How does chainflip register and confirm a deposit?

Validators watch the relevant external chain and submit a witness event to the State Chain after the deposit passes that chain’s confirmation threshold. The State Chain records the transaction details once enough validators agree on what happened. This wait is part of the mechanism: Bitcoin and Ethereum have different block production and finality behavior, so a deposit cannot be processed simply because it appears in a wallet or explorer.

A Deposit Channel is intended for one swap and remains open for a limited time. Open a fresh one for each trade and send the deposit promptly; an old channel may no longer be recognized. A developer can also initiate a swap by calling a Chainflip Vault contract’s swap function, supplying the required destination details. That route lets another contract start the swap, while the Broker and Deposit Channel route handles the initiation for a wallet user.

Where does the swap happen if the assets stay native?

The trade happens on the Chainflip State Chain’s Just In Time automated market maker, or JIT AMM. It tracks balances and processes trades on the State Chain; it is not a pool of wrapped coins sitting in a smart contract on one external chain. The actual native assets remain in protocol-controlled vaults on the chains where they belong. This separates trade accounting from custody and settlement: the State Chain calculates the exchange, and the vaults provide the assets for deposits and payouts.

After a deposit is witnessed, the JIT AMM processes it with other swaps at the end of a State Chain block. Liquidity providers can bid on swaps in that block. For each pool and direction, same-block swaps are bundled and processed together; a route through more than one pool runs its trades sequentially. That design batches trades for execution and reduces the opportunity to reorder individual swaps within that batch. Each pool on the route collects its liquidity fee, and the result moves to the next pool until the destination asset is ready.

How does the native asset reach your wallet?

The completed trade creates a pending payout, or egress, to the destination address set when the swap was initiated. Validators use a threshold signature ceremony to authorize the external-chain transaction, then broadcast it and witness its confirmation. Where possible, payouts are batched to reduce transaction costs; estimated broadcast fees are deducted from the swap output. The result is a transfer of the destination chain’s native asset from a Chainflip vault to the address you specified.

  • Check the source asset and chain before sending.
  • Confirm the destination chain and address belong to the wallet where you want to receive funds.
  • Use a newly opened Deposit Channel and send only after the swap has been registered.

The useful distinction is that a native cross-chain swap does not teleport one blockchain’s coin onto another. Validators observe the incoming transfer, State Chain consensus records it, the JIT AMM trades its value against liquidity, and a separately signed transaction pays the destination asset out of a vault. That sequence is what lets chainflip move native BTC, ETH, SOL, and other supported assets without issuing a wrapped token for the swap.