🚀 Starknet Validator Solo Staking Guide

Starknet is a Layer 2 network built on Ethereum, designed for scalability and performance using STARK proofs.
This guide will walk you through the complete process of becoming a Starknet validator and Solo Staker, from wallet setup to running your attestation client and validator on DAppNode.

We’ll use Ready Wallet and Starknet's block explorer interfaces for all on-chain interactions.

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🛠 Prerequisites

✅ Ready Wallet installed
✅ Access to a synced Starknet full node (Juno or Pathfinder)
✅ Minimum STRK balance:

• Sepolia: 1 STRK
• Mainnet: 20,000 STRK

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1️⃣ Create Accounts

We’ll use three Starknet accounts in Ready:

• staker → Holds your stake
• operator → Runs the validator
• rewards → Receives rewards

👉 Create them directly in Ready Wallet as Standard Account

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2️⃣ Fund and Deploy the Accounts

• Fund your staker and operator accounts with the required STRK amount.

Remember to add more than the minimum staking amount to cover gas fees.
On Sepolia, you can use the Starknet Faucet.

• Deploy your accounts in Ready Wallet following these steps:
  

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3️⃣ Export your operator address private key

The starknetstaking package needs your operator address private key to make the attestations.
You can obtain it from Ready Wallet following these steps:

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4️⃣ Approve spending

1. Go to the block explorer STRK token contract STRK (Sepolia) or STRK (Mainnet)
2. Connect your staker Ready Wallet.
3. In the implementation section, scroll down to the approve function (#19 on Sepolia #22 in Mainnet)
4. Click and fill in the data:
   • spender → Starknet Staking Contract Starknet Addresses
   • amount → Amount in FRI (1 STRK = 1000000000000000000)
5. Click the Transact button.

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5️⃣ Stake STRK

1. Open the Staking Contract on Voyager (Sepolia) or the Staking Contract on Voyager (Mainnet).
2. Connect your staker Ready Wallet.
3. In the implementation section, scroll down to the stake function (#1)
4. Click and fill in the calldata:
   • rewards_address → Your rewards account
   • operational_address → Your operator account
   • amount → Amount in FRI (1 STRK = 1000000000000000000)
5. Click the Transact button.

📌 Staking contract addresses: Starknet Docs – Staking

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6️⃣ Install the Starknet Staking Package on Dappnode

Now that you’ve staked, you need to set up the validator client on your DAppNode.

1. Open your Dappnode UI.
2. Go to the DAppStore and search for starknetstaking.
3. Click Install.

During the installation process, you will need to enter the following information:

• Operational Address → The address for the operator Account you created via Ready Wallet in step #1
• Private Key → The private key from your operator account (exported from Ready Wallet in step #3)

The attestation process will start automatically, and your validator will be live. You can check rewards and more info via the staker_info_v1 contract in Voyager Mainnet or Sepolia

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🧠 Notes & Tips

• You can claim rewards or increase stake later from the same Voyager contract UI.
• Make sure your validator client runs 24/7 to avoid penalties.
• Always test your setup on Sepolia before moving to mainnet.

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References:

• Ready Wallet
• Voyager StarkNet Explorer
• Starkscan Starknet Explorer
• Starknet Staking Docs
• Juno Full Node