Castle Overview

What is Castle?

Castle is a smart contract wallet for NFT collectors. Our product allows anyone to easily create and manage a shared or personal vault using multi-signature wallet technology. Individuals can use Castle as a vault to securely store assets, or use it as a trading wallet to get powerful features like advanced portfolio tracking and batch transactions. Groups can use Castle as a shared wallet to pool funds together, buy NFTs, manage a shared treasury, and split profits. Key features include native integrations with OpenSea,, and, single/multiple NFT purchase and list, portfolio tracking, and group ownership management.

Main Features
Secure wallet integration
Portfolio tracking
Onchain vaults for asset protection
NFT market browsing and buying
Bulk or individual NFT transfers

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Frequently asked questions

To connect your Ethereum wallet to Castle Wallet, follow these steps:

  1. Visit the Castle Wallet website.
  2. Click on the "Connect wallet" button.
  3. Select your Ethereum wallet from the available options.
  4. Follow the prompts to authorize the connection between your wallet and Castle Wallet.
  5. Once connected, you will be able to access and manage your Ethereum assets, track your wallets, protect your assets in an onchain vault, browse and buy NFTs, transfer NFTs, list NFTs to OpenSea, and more.

Please note that Castle Wallet is in beta and new features are being added weekly. Castle members are securing top collections in vaults, providing added security for your assets.

Castle Wallet protects your assets in onchain vaults by providing a secure storage solution. Castle members secure top collections in vaults, ensuring the safety of your assets.

Yes, you can browse and buy NFTs from different markets in Castle Wallet.

Yes, it is possible to transfer NFTs in bulk or individually using Castle Wallet.

Some of the top collections secured in Castle Vaults include:

  • Azuki
  • Bored Ape Yacht Club
  • Clone X
  • Cool Cats
  • Cryptoadz
  • CryptoPunks
  • Doodles
  • Forgotten Runes Wizard Cult
  • Mutant Ape Yacht Club
  • Mfers
  • World of Women
  • Nouns
  • Fidenza
  • Proof Collective
  • Pudgy Penguins
  • Deadfellaz
  • Gucci Wallet
  • Squiggles
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