Zulu Guide | Zulu Bridge Testnet Guide ⏫🌉

6 min readApr 4, 2024

Welcome to the complete guide for Zulu Network’s Testnet Bridge! 🌉 We are excited to start things out in our testnet with a bridge that supports BTC and BRC20 assets. It is a very important tool for users and developers to access our ecosystem!

This guide aims to help you navigate through the process of bridging assets between Bitcoin and Zulu Network (Testnet).

Link to the bridge: https://testnet.zulunetwork.io/bridge

Whether you’re a developer looking to innovate or a user eager to explore the expanded functionalities of Bitcoin, including smart contracts, DeFi applications, and more, we invite you to try out our testnet bridge!

Let’s start with some things to do before using the bridge 👀👇

Preparation Before Starting

1. Get BTC test coins through BTC faucets!

Here are some common BTC faucets:

https://tbtc.bitaps.com/
https://bitcoinfaucet.uo1.net/
https://kuttler.eu/en/bitcoin/btc/faucet/
https://coinfaucet.eu/en/btc-testnet/

Use the Unisat Wallet to receive the BTC test coins: https://unisat.io/

Guide on how to connect to BTC testnet on Unisat: https://docs.unisat.io/brc20-swap/introduction-to-brc20-swap/testnet-guide

2. Add Zulu Testnet Network to your wallet

Network name: Zulu Testnet Beta

RPC URL: https://rpc-testnet.zulunetwork.io

Chain ID: 202406

Symbol: BTC

How to add a custom network to Metamask: https://support.metamask.io/hc/en-us/articles/360043227612-How-to-add-a-custom-network-RPC

3. Claim ZULU Test Coins!

You can connect to Zulu’s discord and claim ZULU test tokens from our #testnet-faucet channel.

Join Our Discord: https://discord.gg/ZVaQPjhxTG

In the Zulu Community part of Discord, you will find this channel!

To use the faucet, just send this message: @Zulu Testnet Faucet [YOUR WALLET HERE].

Example:

4. BRC-20 Test Tokens contract information:

Name | Address

sats → 0x400F2D07FB6D910Db8494d68EB792E4757D11337

ordi → 0x3AbC143b36e0F3451efF5b98F91E2ECC803103E3

rats → 0x6D0f4478a2545dBC262BbF55E7fC0E917046542C

mice → 0x9d1A568b53910c9909CA68821052EAEfFC1aB619

turt → 0x3aD6BEf52095F25236AbbABa94aD38A04C2bB9e0

.com → 0x923bF4A716B802BE362104Dc6C65970598667686

zbtc → 0x11ea382E04d54B73610e7A96f259303e385C5e8a

How to Use Zulu Testnet Bridge

The Zulu Testnet Bridge currently supports Deposit and Withdraw for BTC and BRC20 assets.

Website of Zulu Testnet Bridge: https://testnet.zulunetwork.io/bridge

1. Deposit

From Bitcoin Testnet to Zulu Testnet.

1.1 BTC

· Click on “Connect Wallet” in the top right corner of the webpage and select Bitcoin Testnet.

You have two options. Select Bitcoin Testnet to deposit to Zulu Testnet.

· Choose UniSat Wallet and click Connect.

· On the right side of the Amount dialog box, click the drop-down list to see the supported test coin types and balances.

· On the right side of the Amount dialog box, click the drop-down list, select btc, enter the Amount, and fill in the ERC-20 address to receive the cross-chain assets, then click Transfer.

· The wallet automatically pops up the transaction interface. For BTC transactions, just Sign & Pay is required.

· After waiting for about 3 block confirmations, the cross-chain asset zbtc will be credited. Deposit transaction information can be checked in Mempool. You can also view the balance information of their cross-chain assets in real-time in MetaMask to confirm whether the cross-chain assets have been credited.

1.2 BRC20 (taking sats as an example)

· Select sats, enter the Amount, and fill in the ERC-20 address to receive cross-chain assets, then click Transfer.

· The wallet automatically pops up the transaction interface. BRC20 asset transactions are divided into 2 steps: Inscribe and Transfer. Steps are as follows:

Stage 1: Choose Fee Rate for Inscribe — -Stage 2: Click Next

Stage 3: Sign & Pay for Inscribe — — — — Stage 4: Waiting for Inscribing

Stage 5: Inscribe Success, Click Done Stage 6: Sign & Pay for Transfer

· After waiting for about 3 block confirmations, the user’s cross-chain asset sats will be credited, and the Deposit transaction status can be queried by Mempool. You can also view their cross-chain asset balance information in MetaMask in real time to confirm whether the cross-chain assets have been credited.

2. Withdraw

Withdraw from Zulu Testnet to Bitcoin Testnet.

2.1 ZBTC (BTC on Zulu Testnet)

· Click on “Connect Wallet” in the top right corner of the webpage, and select Zulu Testnet.

You have two options. Select Zulu Testnet to withdraw to Bitcoin Testnet.

· Choose a wallet. Taking MetaMask as an example, click “Next” and “Connect”.

· Click the dropdown list to the right of the Amount dialog, select zbtc, enter the Amount, and fill in the BRC-20 address where you will receive the cross-chain asset, then click Withdraw.

· The wallet automatically pops up the transaction interface; click Confirm to proceed.

· After the transaction is confirmed, users can see the withdrawal transaction in the UniSat Wallet, and it will be credited after blockchain confirmation.

2.2 BRC20 (taking sats as an example)

· On the right side of the Amount dialog box, click the drop-down list, select sats, enter the Amount, and fill in the BRC-20 address to receive the cross-chain assets, then click “Withdraw”.

· The wallet automatically pops up the transaction interface; click Confirm to proceed.

· After the transaction is confirmed, users can see the withdrawn sats in the UniSat Wallet, and it will be credited after blockchain confirmation.

Link to the bridge: https://testnet.zulunetwork.io/bridge

About the Zulu Network

Zulu Network: Building an Open Future for BitFi. Unlocking the Bitcoin Economy and opening up innovation for ALL Devs and Users.

The Zulu Network represents a ground-breaking advancement in the Bitcoin ecosystem, introducing a two-layer architecture to expand the capabilities of the Bitcoin Network.

ZuluPrime

Acts as L2 on Bitcoin with EVM compatibility. ZuluPrime Unlocks the Bitcoin Economy for ALL Devs and Users & Builds an Open Future for BitFi.

ZuluNexus

Acts as L3 on Bitcoin expanding its features, supporting UTXO & Account types, focusing on native Bitcoin format innovations. ZuluNexus help push forward the innovation in Bitcoin Ecosystem for ALL Devs and Users.

Zulu is building a genuine ecosystem within the Bitcoin industry, allowing existing Bitcoin assets to engage with sophisticated DeFi applications and Financial Services, while preserving the original security, reliability, and capabilities of the Bitcoin Network.