# Gate: JEFF Bridge

The JEFF Bridge connects the **Base Chain** with other blockchains, allowing users to seamlessly transfer assets between chains. However, the bridge only supports transfers between wallets owned by the same user.

Currently, the bridge supports transfers between **Ethereum** and **Base Chain**.\
Supported assets:

* **$JEFF Tokens**
* **LAND NFTs**
* **AKDONG NFTs**

***

#### ***※ Important Notes***

* Using the bridge requires gas fees:
  * **$JEFF Tokens** (for Base Chain)
  * **$ETH** (for Ethereum Chain)
* You must connect your MetaMask wallet to your JEFF World account(Go to Mypage) to use the bridge.
* The transfer process consists of **3 steps**:\
  **Approve → Send → Claim**

## How to Access the Bridge

* Log in to the JEFF World homepage.
* Navigate to the **"Bridge"** section in the menu tab.

<figure><img src="https://1852379037-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FeWw0erbAIknFreBQzzHb%2Fuploads%2FfndMJU0Ms0VNUcerGMmH%2FGB_Bridge.png?alt=media&#x26;token=2b08936f-c7ed-47e2-af21-78c2680483ca" alt=""><figcaption></figcaption></figure>

## How to Transfer Assets

### **For $JEFF Tokens (ERC-20)**

*Example: Transferring assets from Ethereum to Base Chain*

1. Select the **ERC-20 Tab** and set the **From Network** and **To Network**.

<figure><img src="https://1852379037-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FeWw0erbAIknFreBQzzHb%2Fuploads%2FxafcUg8psKT0GTkpPb5T%2FGB_bridge1.png?alt=media&#x26;token=d8027201-7e9a-4956-b657-e8f5ff4e8e8d" alt=""><figcaption></figcaption></figure>

2. Enter the amount to transfer in the **Send** field and click **Approve**.

<figure><img src="https://1852379037-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FeWw0erbAIknFreBQzzHb%2Fuploads%2FlY0fTdCTLoLPwGiiMIhT%2FGB_Bridge5.png?alt=media&#x26;token=c362b422-664d-4135-a35c-e4986dc448ec" alt="" width="563"><figcaption></figcaption></figure>

3. Approve the transaction in your connected MetaMask wallet to complete the approval.

<figure><img src="https://1852379037-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FeWw0erbAIknFreBQzzHb%2Fuploads%2FC1YhE6MO5oBWfoDYvJsd%2FGB_Bridge6.png?alt=media&#x26;token=b48ea637-8748-477f-9ed4-9496eea1149c" alt="" width="563"><figcaption></figcaption></figure>

4. Click **Send**, then confirm the transfer by clicking **Confirm Transfer**.

<figure><img src="https://1852379037-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FeWw0erbAIknFreBQzzHb%2Fuploads%2FSSbHgJRU8IK0pYfggLoH%2FGB_Bridge7.png?alt=media&#x26;token=92be5628-8267-4fe2-a6cd-125671828b35" alt="" width="563"><figcaption></figcaption></figure>

5. Approve the transaction in MetaMask to complete the send process.

<figure><img src="https://1852379037-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FeWw0erbAIknFreBQzzHb%2Fuploads%2FXsCKd8l68BdscXC3fLl1%2FGB_Bridge8.png?alt=media&#x26;token=860bfff2-9245-4735-938c-88a51bd51f0d" alt="" width="563"><figcaption></figcaption></figure>

6. Go to the **Claim** page and set the network to **Base Chain**.

<figure><img src="https://1852379037-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FeWw0erbAIknFreBQzzHb%2Fuploads%2FlCnxZtZHZcvjRFsJS7yz%2FGB_Bridge9.png?alt=media&#x26;token=5fd6493d-0a4c-48f5-a9a0-16810251020b" alt=""><figcaption></figcaption></figure>

7. Review your sent items and click **Claim** to finalize the transfer and receive your assets.

<figure><img src="https://1852379037-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FeWw0erbAIknFreBQzzHb%2Fuploads%2FKI4o07Hn4U5Fc4ktDjVZ%2FGB_Bridge10.png?alt=media&#x26;token=9ffc7a0d-8dde-4474-b837-b4d5cfa97124" alt="" width="478"><figcaption></figcaption></figure>

8. Enter your **2nd password** to complete the bridge to Base.

<figure><img src="https://1852379037-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FeWw0erbAIknFreBQzzHb%2Fuploads%2FgIloxPaBi0w8rxbycp1P%2FGB_MG7.png?alt=media&#x26;token=47a2d226-4434-4eab-9d78-1d2aca46fce7" alt="" width="353"><figcaption></figcaption></figure>

### For LAND & AKDONG NFTs (ERC-721)

Example: Transferring Akdong NFTs from Ethereum to Base Chain

1. Select the **ERC-721 Tab** and set the **From Network** and **To Network**.

<figure><img src="https://1852379037-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FeWw0erbAIknFreBQzzHb%2Fuploads%2FPBAAEPaZq5sQW7htUKQS%2Fimage.png?alt=media&#x26;token=deaee374-97a6-4314-abcf-0593fa8e7056" alt="" width="375"><figcaption></figcaption></figure>

2. Choose the **NFT Collection** you want to transfer.
   * You can transfer one collection at a time (LAND or Akdong).
   * A maximum of **9 NFTs** can be selected per transfer.

<figure><img src="https://1852379037-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FeWw0erbAIknFreBQzzHb%2Fuploads%2FO7xmiFdlO8jSDFhEgTvP%2Fimage.png?alt=media&#x26;token=18c21bea-920f-4073-accc-e058fe300273" alt=""><figcaption></figcaption></figure>

3. Verify the selected NFTs and click **Approve**.

<figure><img src="https://1852379037-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FeWw0erbAIknFreBQzzHb%2Fuploads%2FMXwA0MvDIwxVOVro9gBu%2Fimage.png?alt=media&#x26;token=0286dbc4-3aaa-45c6-91b6-b1dd66383978" alt="" width="375"><figcaption></figcaption></figure>

4. Approve the transaction in your connected MetaMask wallet to complete the approval.

<figure><img src="https://1852379037-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FeWw0erbAIknFreBQzzHb%2Fuploads%2FiN2ClHtEyfFZMuGkdklS%2Fimage.png?alt=media&#x26;token=fa26354e-37cb-465f-82a8-db74adbafcb1" alt=""><figcaption></figcaption></figure>

5. Click **Send**, then confirm the transfer by clicking **Confirm Transfer**.

<figure><img src="https://1852379037-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FeWw0erbAIknFreBQzzHb%2Fuploads%2FY3tVUAhnTzWPDFTCyeYH%2Fimage.png?alt=media&#x26;token=a09c8763-0472-43f5-a109-9972aa146f46" alt=""><figcaption></figcaption></figure>

6. Approve the transaction in MetaMask to complete the send process.

<figure><img src="https://1852379037-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FeWw0erbAIknFreBQzzHb%2Fuploads%2FcesQ9QWeaMaAPFxzSU0h%2Fimage.png?alt=media&#x26;token=001d2eed-d68d-44e5-b8aa-990a6ca2366c" alt=""><figcaption></figcaption></figure>

7. Go to the **Claim** page and set the network to **Base Chain**.

<figure><img src="https://1852379037-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FeWw0erbAIknFreBQzzHb%2Fuploads%2F3J0DG7NUKMwh9r4WOZ5O%2Fimage.png?alt=media&#x26;token=8313915a-fef0-47cc-9759-a41f305bebc0" alt=""><figcaption></figcaption></figure>

8. Review your sent items and click **Claim** to finalize the transfer and receive your NFTs.

<figure><img src="https://1852379037-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FeWw0erbAIknFreBQzzHb%2Fuploads%2F0zgF9vKtDzlfqh6YTnZH%2Fimage.png?alt=media&#x26;token=e1c90882-bfbc-4363-b93e-77d1e15b1c6d" alt="" width="563"><figcaption></figcaption></figure>

9. Enter your **2nd password** to complete the bridge to Base.

<figure><img src="https://1852379037-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FeWw0erbAIknFreBQzzHb%2Fuploads%2FgIloxPaBi0w8rxbycp1P%2FGB_MG7.png?alt=media&#x26;token=47a2d226-4434-4eab-9d78-1d2aca46fce7" alt="" width="353"><figcaption></figcaption></figure>

## **History**

You can review the list of transferred assets via the bridge in the **"History" Tab** in **My Page**.

With the JEFF Bridge, transferring your assets across chains has never been easier! 🌟