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32 changes: 32 additions & 0 deletions content/learn/sip-03-migration.mdx
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Expand Up @@ -75,6 +75,38 @@ Native USDC and Circle's CCTP V2 are now supported on Sei. USDC from Noble (USDC

- Wind down and withdraw your positions **before** migrating to native USDC. Failure to do so before the SIP-3 upgrade may result in inability to access your supplied assets.

## Migration Process for Coinbase Prime Customers

Once the termination & replacement agreement is signed and your destination address is confirmed, the migration will proceed as follows:

### 1) FundsForwarder Deployment

Sei Labs will deploy a dedicated FundsForwarder smart contract configured for your confirmed Coinbase Prime Sei EVM vault address. Our team will handle the deployment and cover all associated costs.

### 2) Deposit Address Provided

We will provide you with a dedicated Sei (Cosmos) deposit address (`sei1…`) associated with your FundsForwarder contract. Coinbase has temporarily unlocked your Cosmos position so you can withdraw.

### 3) Transfer from Coinbase Prime

You will initiate a standard Cosmos SEI transfer from Coinbase Prime to the provided `sei1…` deposit address.

### 4) On-Chain Forwarding

Once the funds arrive, Sei Labs will trigger the FundsForwarder contract to forward the full balance to your Coinbase Prime Sei EVM vault.

<Callout type="info">We expect this step to complete within ~48 hours of receiving your deposit.</Callout>

### 5) Lockup Re-established

After the funds arrive in the new EVM vault, Coinbase will re-establish the unlock schedule under the replacement agreement.

### Important Security Features

- The FundsForwarder is a **one-way contract** configured at deployment; funds can only be forwarded to your specified destination address and cannot be redirected.
- The contract accepts deposits via Cosmos `sei1…` transfers only, and the forwarding step sends the full balance to your `0x` destination.
- The FundsForwarder smart contract has been **audited by OtterSec** and has undergone internal security review.

## FAQ

### I am a Keplr / Leap wallet user; do I need to do anything?
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