WCTN vs CTN when removing liquidity
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CTN is the native network token on Centurion Chain. Because it predates the ERC-20 standard, it cannot be used directly in pool contracts. Wrapped CTN (WCTN) is an ERC-20 wrapper that makes CTN tradable within the protocol.
During swaps the protocol automatically wraps and unwraps as needed — users can start and end with native CTN. However, when withdrawing from a position, choosing WCTN as the output skips the unwrapping step, saving gas.
Each network has its own wrapped native token (e.g., WCTN on Centurion Chain). The same principle applies on every supported chain.