Users have to use Orbit Bridge to transfer and deposit Ethereum-based assets that held in centralized exchanges or personal wallets to the Klaytn ecosystem/Klaytn-based wallets.
Move to Orbit Bridge website
Move to the Orbit Bridge User-guide
Once a transfer transaction is created and completed, it cannot be canceled due to the nature of blockchain. It is strongly recommended to check and test a small amount for the transfer transaction first before transferring the whole assets.