This step-by-step guide will show you how to mint zenBTC on Holesky Testnet via Ethereum network. In the next couple of weeks, we will release Solana Testnet.

How to mint zenBTC on Testnet

Step 1: Set Up an Xverse Wallet for Testnet BTC

‍1. Download and install the Xverse Wallet extension for your browser.
2. Open the wallet and go to Settings → Network.
3. Select Testnet to switch the wallet to Testnet mode. Please select Testnet4.
4. Create a new Testnet BTC account by following the wallet prompts.
5. Copy your newly created Testnet BTC address.

Step 2: Fund Your Testnet BTC Wallet‍

Use the following faucets to request Testnet BTC:

• ‍Coinfaucet: Paste your BTC Testnet address and request coins.
• ‍Mempool Faucet: Paste your address, click 500K sats, and request coins.
• ‍Testnet4 Faucet: Paste your address and request 0.005 Testnet BTC .

⚠️ Verify that you are using Testnet4 ⚠️

Step 3: Mint zenBTC

1. Open zenBTC Gardia in your browser.
2. Connect your Metamask wallet.
3. Click Mint to generate a Testnet BTC deposit address.

Step 4: Send Testnet ETH to Your Wallet

Send Holesky Faucet Testnet ETH to your MetaMask wallet address. Link to faucet: https://cloud.google.com/application/web3/faucet/ethereum/holesky

Step 5: Transfer Testnet BTC to Mint zenBTC

‍1. Open your Xverse Wallet.
2. Select the Send BTC option.
3. Paste the Testnet BTC deposit address generated in Step 3 as the recipient.
4. Enter an amount of at least 0.001 Testnet BTC (or more, depending on your available balance).
5. Confirm the transaction.

Step 6: Receive zenBTC

‍1. Wait for your deposit to be confirmed.‍

• ‍Estimated Time: Bitcoin block confirmations typically take around 10 minutes per block.
• For sufficient confirmation security, the process may require 4–6 blocks, which could take ~40–60 minutes.
• Inform users that delays are normal due to the nature of the Bitcoin network.

2. Once the deposit is confirmed, your zenBTC will appear in your connected Metamask wallet.

Redeem Instructions

1. Open ZenBTC Gardia.
2. Connect your MetaMask wallet holding zenBTC.
3. Navigate to the Redeem option in the left menu.
4. Enter the amount of zenBTC you want to redeem.
5. Provide your Testnet BTC wallet address for receiving your native Testnet BTC.
6. Click Redeem to confirm.

Note: Redeeming zenBTC will initiate an Eigenlayer unstaking process, which takes approximately 10 minutes to complete. Your native Testnet BTC will be sent to your specified wallet once the unstaking is finalized.

Bug Bounty

Earn Shards by helping us improve! Report bugs and get rewarded.

How to submit a bug bounty

1. Clearly and thoroughly document the bug, including steps to reproduce it.
2. Go to our Discord server and navigate to the “submit a bug” channel. Share your detailed findings.
3. Our team will review your submission. Shards will be awarded based on the severity and impact of the bug. Rewards vary case by case.

Follow us on X for real-time updates and announcements about testnet and mainnet. Join the Discord for future information on how to redeem your Shards. Good luck!