--- product_id: 616053730 title: "Keystone - Cryptocurrency Hardware Wallet Air-gapped, 4-inch Touch Screen, Store Your Crypto Securely (Keystone 3 Pro)" brand: "keystone" price: "€ 4.31" currency: EUR in_stock: false url: https://www.desertcart.pt/products/616053730-keystone-cryptocurrency-hardware-wallet-air-gapped-4-inch-touch-screen store_origin: PT region: Portugal --- # Supports 1000+ cryptocurrencies 4-inch responsive touchscreen 100% Air-gapped security Keystone - Cryptocurrency Hardware Wallet Air-gapped, 4-inch Touch Screen, Store Your Crypto Securely (Keystone 3 Pro) **Brand:** keystone **Price:** € 4.31 **Availability:** ❌ Out of Stock ## Summary > πŸ” Own your crypto fortress with Keystone 3 Pro β€” where security meets sleek innovation. ## Quick Answers - **What is this?** Keystone - Cryptocurrency Hardware Wallet Air-gapped, 4-inch Touch Screen, Store Your Crypto Securely (Keystone 3 Pro) by keystone - **How much does it cost?** € 4.31 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/616053730-keystone-cryptocurrency-hardware-wallet-air-gapped-4-inch-touch-screen) ## Best For - keystone enthusiasts ## Why This Product - Trusted keystone brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Open Source Transparency:** Trust the tech with fully open source firmware and hardware design, verified by the community. - β€’ **Universal Backup & Recovery:** Compatible recovery phrases ensure smooth migration across Keystone and other major wallets like MetaMask. - β€’ **Advanced Multi-Sig & Staking:** Empower your portfolio with PSBT Bitcoin multi-sig, Ethereum multi-sig, and staking capabilities. - β€’ **Seamless Multi-Coin Management:** Manage over 1000 cryptocurrencies including BTC, ETH, USDT, and moreβ€”all from one sleek device. - β€’ **Unbreakable Air-Gapped Security:** Keep your private keys offline and safe from all online threats with 100% air-gapped QR code transactions. ## Overview The Keystone 3 Pro is a cutting-edge cryptocurrency hardware wallet featuring a 100% air-gapped design that uses QR code communication to keep your private keys completely offline. It boasts a vibrant 4-inch touchscreen for intuitive use and supports over 1000 cryptocurrencies, including multi-signature and staking functions. Open source firmware and hardware designs provide transparency and trust, while universal backup compatibility ensures your assets are always recoverable. Compact and lightweight, it’s the ultimate cold storage solution for serious crypto investors. ## Description Keystone Hardware Wallet is a 100% Air-gapped QR code communication hardware wallet for Bitcoin, Ethereum, USDT, BCH, XRP, Tron, LTC, Dash, Polkadot, Kusama and 1000+ cryptocurrencies. It offers convenient cold storage solution with an open source firmware, 4 inch touchscreen and PSBT Bitcoin multisig support. Protect your cryptocurrency with the perfect balance between secure and convenient hardware wallet with mobile phone support. ## Features - Air-Gapped: Safeguard your cryptocurrency with a 100% air-gapped hardware wallet. Conduct transactions securely through QR code scanning. Your private key is stored within a secure element, resistant to side channel attacks, ensuring complete protection from online threats. - Open Source: Our Secure Element firmware, hardware design, hardware wallet application, and specific components of the operating system are open source. - Advanced Features: PSBT BTC multi-sig, ETH multi-sig, staking, and transaction decoding. Our Multicoin firmware supports over 1000 cryptocurrencies, including BTC, ETH, USDT, and many more. - Backup & Recovery: The recovery phrase generated by our hardware wallet is compatible with all Keystone hardware wallets as well as other hardware/software wallets that support the BIP32/39/44 seed phrase standards. Some notable wallets include MetaMask, Rabby etc. - Contents: Hardware Wallet, User Manual, 6 Seed Sheets, USB-C Cable. Dimensions: 103.9mm x 62.5mm x 12.9mm. Weight: 103g. Since there is a plastic protective film on the surface of the screen (there may be scratches), please remove the film and use it. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CCRP4Z59 | | Batteries | 1 Lithium Metal batteries required. (included) | | Batteries Included | Yes | | Batteries Required | Yes | | Battery cell composition | Lithium | | Best Sellers Rank | #298,766 in Computers & Accessories ( See Top 100 in Computers & Accessories ) #2,525 in Pen Drives | | Brand | Keystone | | Customer Reviews | 3.9 3.9 out of 5 stars (212) | | Date First Available | 26 December 2023 | | Does it contain liquid? | No | | Form Factor | SmartModule | | Includes Rechargeable Battery | Yes | | Item Dimensions LxWxH | 12 x 8 x 4 Centimeters | | Item Weight | 281 g | | Item model number | Keystone 3 Pro | | Manufacturer | Keystone | | Model | Keystone 3 Pro | | Product Dimensions | 12 x 8 x 4 cm; 281 g | | Voltage | 4.2 Volts | ## Images ![Keystone - Cryptocurrency Hardware Wallet Air-gapped, 4-inch Touch Screen, Store Your Crypto Securely (Keystone 3 Pro) - Image 1](https://m.media-amazon.com/images/I/31n5nUYT-AL.jpg) ![Keystone - Cryptocurrency Hardware Wallet Air-gapped, 4-inch Touch Screen, Store Your Crypto Securely (Keystone 3 Pro) - Image 2](https://m.media-amazon.com/images/I/41LpF4AJtpL.jpg) ![Keystone - Cryptocurrency Hardware Wallet Air-gapped, 4-inch Touch Screen, Store Your Crypto Securely (Keystone 3 Pro) - Image 3](https://m.media-amazon.com/images/I/41LaGv0sSML.jpg) ![Keystone - Cryptocurrency Hardware Wallet Air-gapped, 4-inch Touch Screen, Store Your Crypto Securely (Keystone 3 Pro) - Image 4](https://m.media-amazon.com/images/I/41A4zQBHi-L.jpg) ![Keystone - Cryptocurrency Hardware Wallet Air-gapped, 4-inch Touch Screen, Store Your Crypto Securely (Keystone 3 Pro) - Image 5](https://m.media-amazon.com/images/I/31tfR3WeUTL.jpg) ## Questions & Answers **Q: Is keystonehq a 3rd party or is it the real company. how can i trust that this is an authentic device from keystone ?** A: The device is self destruction tamper proofed. Packaging can be authenticated. The software is authenticated through QR coded process on company's verification website. Read all instructions and explore the website thoroughly. **Q: Any plan for native doge support, like ledger & elipal? (ie: without going through metamask)** A: Hi, it is a pity that we do not support this token. Currently, We have been focusing on tokens in Web3 chains. We will support this chain in the short future. **Q: Does this support solana?** A: Yes it does **Q: Does it require Kyc?** A: If by "kyc" you mean the process used by centralized exchanges to verify identity, then the answer is no. This hardware wallet is decencralized. It has a seed phrase for access to the account. It can hold crypto or be synced to a defi hot wallet. In such case it will be used for signatures for transactions. ## Frequently Bought Together - Keystone - Cryptocurrency Hardware Wallet Air-gapped, 4-inch Touch Screen, Store Your Crypto Securely (Keystone 3 Pro) - Keystone Crypto Hardware Wallet Pouch, Black PU Leather Case, Premium Protective Case, Suitable for Keystone Pro and Keystone Essential - KEYSTONE Crypto Seed Storage, Cryptosteel Capsule Metal Wallet, Cold Storage Backup, 24 Words Bitcoin Key Phrase Storage, Steel Plate, Compatible with Ledger, Trezor, KeepKey (Keystone Tablet Plus) --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pt/products/616053730-keystone-cryptocurrency-hardware-wallet-air-gapped-4-inch-touch-screen](https://www.desertcart.pt/products/616053730-keystone-cryptocurrency-hardware-wallet-air-gapped-4-inch-touch-screen) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-10-01*