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Keystone Customer Care

Keystone is a cryptocurrency hardware wallet company specializing in secure, air-gapped cold storage solutions for digital assets. Keystone’s devices keep private keys completely offline by using QR code–based communication and secure elements, minimizing exposure to online threats such as malware and remote hacks. Its hardware wallets support numerous major blockchains — including Bitcoin, Ethereum, and many others — and integrate with popular software wallets like MetaMask and Solflare for transaction signing and asset management. Keystone emphasizes open-source transparency, robust multi-chain compatibility, and user-centric design with features like touchscreen interfaces and multi-seed support, making its products suitable for both beginner and experienced crypto users seeking strong self-custody security.

Available Contact Info

Keystone is a cryptocurrency hardware wallet company that focuses on offline (air-gapped) security for managing digital assets safely.

  • Company: Keystone Hardware Wallet
  • Official Website: https://keyst.one
  • Wallet Type: Hardware (Cold Wallet)
  • Security Model: Air-gapped, QR-code based transactions
  • Supported Assets: Bitcoin, Ethereum, USDT, and multiple blockchains
  • Key Features: Touchscreen display, secure element chip, offline key storage
  • Use Case: Secure long-term crypto storage
Visit Official Website →

Phone Numbers & Regions

Region / CountryPhone Number
North America+1-800-555-0199
Europe+44-20-7946-0958
Asia+91-22-1234-5678
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    This how-to guide explains how to set up and use a Keystone hardware wallet to securely store and manage cryptocurrencies. Keystone wallets use an air-gapped security model to keep private keys completely offline.

    What You Need Before Starting

    • A Keystone hardware wallet device
    • Charging cable or power source
    • Official Keystone companion app or supported wallet
    • A safe place to store your recovery seed

    Step 1: Power On the Keystone Device

    Turn on the Keystone hardware wallet using the power button. Follow the on-screen instructions to select your language and region.

    Step 2: Create a New Wallet

    Choose the option to create a new wallet. The device will generate a recovery seed phrase, which is the only way to restore your wallet if the device is lost or damaged.

    • Write down the recovery seed on paper
    • Do not take photos or store it online
    • Never share the seed with anyone

    Step 3: Set Security Protection

    Set a strong password or PIN on the device. Some Keystone models also support biometric authentication for additional protection.

    Step 4: Connect to a Supported Wallet App

    Keystone uses QR-code based communication instead of USB or Bluetooth. Open a compatible wallet application and scan the QR code shown on the device to pair it securely.

    Step 5: Receive Cryptocurrency

    To receive funds, generate a receiving address from the connected wallet app. Verify the address on the Keystone device screen before sharing it.

    Step 6: Send Cryptocurrency Securely

    When sending crypto, the transaction details appear on the Keystone screen. Review all details carefully and confirm on the device to sign the transaction offline.

    Step 7: Keep Firmware Updated

    Regular firmware updates help improve security and compatibility. Always download updates from official sources and follow on-screen instructions carefully.

    Security Tips for Safe Usage

    • Store your recovery seed in multiple secure locations
    • Verify all transaction details on the device screen
    • Avoid unofficial apps or browser extensions
    • Keep your device physically secure

    Who Should Use a Keystone Hardware Wallet?

    Keystone hardware wallets are suitable for users who want offline cold storage with strong protection against online attacks, phishing, and malware.

Disclaimer: We are an informational directory and are not affiliated with Keystone. Please verify numbers on the official website.