When swapping to a token on a different chain through Talken Swap, bridge protocols are used to move assets between chains. Talken Swap automatically selects the optimal bridge based on the transaction conditions.Documentation Index
Fetch the complete documentation index at: https://docs.talken.io/llms.txt
Use this file to discover all available pages before exploring further.
Circle CCTP
Circle CCTP (Cross-Chain Transfer Protocol) is a cross-chain transfer protocol operated by Circle, the issuer of USDC.- Supported Token: USDC
- How It Works: USDC is burned on the source chain, and an equal amount of USDC is minted on the destination chain. Since this transfers native USDC directly rather than using a wrapping mechanism, the USDC on the destination chain can be used immediately without unwrapping.
- When Used: Used when moving USDC to another chain, or when swapping a source token to USDC and then exchanging it for another token on the destination chain.
LayerZero
LayerZero is a general-purpose messaging protocol that relays messages between blockchains. In Talken Swap, tokens are moved between chains using the OFT (Omnichain Fungible Token) standard.- Supported Tokens: USDT, TALK, and other tokens deployed as OFT
- How It Works: Tokens are locked or burned on the source chain, and through a LayerZero message, the same tokens are minted on the destination chain.
- When Used: Used when moving USDT to another chain or transferring TALK tokens between chains. It is also possible to swap on the source chain and bridge in a single transaction.
Automatic Bridge Selection
When a user requests a cross-chain swap, Talken Swap automatically selects a bridge based on the following criteria:- Type of source and destination tokens
- Fees for each bridge
- Supported chain availability
Cross-Chain Transaction Types
| Type | Description | Example |
|---|---|---|
| Bridge Only | Move the same token to a different chain | Ethereum USDT to Arbitrum USDT |
| Swap + Bridge | Swap on the source chain, then bridge | Ethereum ETH -> (swap) -> USDT -> (bridge) -> Polygon USDT |
| Bridge + Swap | Bridge first, then swap on the destination chain | Ethereum USDT -> (bridge) -> Polygon USDT -> (swap) -> JPYC |
| Swap + Bridge + Swap | Swap on both chains + bridge | Kaia KAIA -> (swap) -> USDT -> (bridge) -> Polygon USDT -> (swap) -> JPYC |
Cross-Chain Transaction Tracking
Once a cross-chain transaction is initiated, progress is displayed step by step:- Source Chain Transaction Confirmed — The swap or token transfer is included in a block
- Bridge Transfer in Progress — The bridge protocol is relaying the message
- Destination Chain Received — Tokens are minted/transferred on the destination chain
- Complete — The destination tokens are reflected in the user’s wallet
Cross-chain transactions typically take a few minutes, depending on the bridge protocol’s processing time. This may take longer depending on network conditions.