Keystone Hardware Wallet丨Bitcoin-Only

Keystone 3 Pro meets @BullBitcoin_ wallet 🐂 The result? BTC management that actually feels effortless. QR signing that works like a breeze. Security that never sleeps. Try it out today and drop your feedback below 👇

Keystone 3 Pro + Bull wallet works like magic 🪄 @UnruggableGG created the PERFECT tutorial, covering everything from firmware updates to transaction signing, Explained with crystal-clear precision. If you love clean UX, you need to see this 👀

@UnruggableGG @KeystoneWallet Well-made tutorial, GG 🔥 Love it!

How to connect @KeystoneWallet to BULL Wallet, receive and broadcast transactions. Quick step-by-step video guide. 👇

Your Keystone just got multilingual. Our BTC-only firmware now supports Spanish, Japanese & German + @BullBitcoin_ wallet. Better understanding → fewer errors → safer self-custody. Update live. Drop your feature suggestion below.

If you use a Keystone 3 Pro, consider this update mandatory. V-2.3.0 delivers: • Taproot signing via @bluewalletio • Faster BTC message signing • Strengthened firmware security + stability Update now. Your wallet deserves its strongest version.

If you’ve ever said, “I’ll buy a hardware wallet later,” That "later" is today 🎉 Our Black Friday Sale is live with 20% off on everything till Dec 5. All at the lowest price of the year. Secure your bags now & remind your hot-wallet friends to grab one!

What if the strongest way to protect your Bitcoin is not by adding features, but by removing them? That idea challenges the early hardware-wallet mindset. Back then, the belief was simple: the more cryptocurrencies a device supported, the better it was. More coins meant more capability. This belief shifted in 2020 when security researchers, including Monokh, revealed a category of flaws known as cryptocurrency isolation bypass. Their work showed that when a hardware wallet supports Bitcoin and its forks at the same time, the isolation between these assets can fail. When that happens, attackers may find a way to mis-sign transactions, and Bitcoin becomes vulnerable. Keystone created its BTC-Only firmware in response to this issue. It was designed to solve a real security weakness rather than create a marketing angle. How Removing Other Coins Can Increase Security? Imagine this scenario: - Your wallet software is compromised. - You think you are sending Litecoin. - The screen shows a Litecoin address, Litecoin amount, and Litecoin fee. Everything will appear correct. However, Bitcoin and many of its forks share the same signature format. This allows malicious software to silently replace your intended Litecoin transaction with a Bitcoin one. The hardware wallet is unable to distinguish the difference and signs the Bitcoin transaction while displaying Litecoin information. You believe you moved Litecoin. But you actually lost Bitcoin. This violates the central rule of hardware wallets: what you see should be what you sign. Why Multi-Coin Support Can Be Risky for Bitcoin Users? If you hold only Bitcoin for the long term, adding unnecessary features introduces unnecessary risk. A multi-coin firmware brings several disadvantages: 1. More code. A bigger codebase is harder to audit and easier for bugs to hide in. 2. More entry points. Each additional cryptocurrency implementation becomes another attack surface. 3. More updates. Frequent firmware updates increase the window during which supply-chain attacks may occur. Security often improves when complexity is removed. A Bitcoin-only firmware reduces the surface area where things can go wrong. What the Bitcoin-Only Firmware Still Provides? Removing altcoins does not mean removing capability. The BTC-Only firmware still covers everything serious Bitcoin users need. It supports all major address types: > Legacy > SegWit > Taproot It provides advanced protection setups: > Passphrase wallets > Shamir Backup (split mnemonics) It handles multi-signature workflows properly. The device parses and displays multi-sig details clearly, so users do not have to rely on blind signing. It remains fully open source. Anyone can inspect the firmware and verify how it works. It uses a QR-based air-gapped design. There are no physical communication channels like USB or Bluetooth. Every transaction is reviewed on a large screen before signing. A Focused Approach in a Crowded Crypto World The crypto industry often rewards devices that support thousands of assets. Keystone’s BTC-Only firmware takes a different approach: It focuses on one thing and avoids anything that could weaken it. Instead of building complexity, it removes it. Instead of offering everything, it chooses clarity. Instead of spreading attention, it strengthens a single mission. Its purpose is simple: protect your Bitcoin with as little exposure as possible.

Our booth at ₿-Only @AnnecyBitcoin 🇫🇷: Hardware wallets, steel wallets, merch, games — anything Bitcoin. And of course NerdQaxe++ & Solo Miners. ⚡️ Video below. 🎥 #Bitcoin only.

@Pleb_Style @AnnecyBitcoin @Satoshi_Silver_ @solo_mining @BitcoinRunners @SatoshiBricks @BlockstreamJade @BitBoxSwiss @KeystoneWallet @SpecterDIY @SeedSigner @Lady_Block_Jane Bitcoin-Only 🫡

Why wait for Black Friday? Our Early Bird deal is live: get 20% off Keystone and a free magnetic pouch. It’s the best offer you’ll see. 🛍️ keyst.one/shop/products/… Use the code 'EB2025' before it’s gone.

Happy Bitcoin Whitepaper Day ⚡️

Your Bitcoin is only as safe as your seed phrase. @dhoneysett breaks down why metal tablets beat paper, and why Keystone’s might be your best bet. Watch the quick review, and tell us: which Keystone tablet would you pick? 📹 youtube.com/watch?v=Bk3_Xl…

Upgraded Shamir’s Backup just leveled up ⚡️ With firmware V-2.2.6, you can effortlessly import your SLIP-39 seeds from another wallet straight to your Keystone 3 Pro. Update today, because your Bitcoin security is only as strong as your recovery plan.

@ob_hodl We have done our homework to make it easy for users to recognise their wallet easily! More details here: x.com/KeystoneForBTC…

@KeystoneForBTC you exponentially increase complexity (backup, recovery, inheretance, etc...) with zero added value

Multi-sig support for BTC passphrase wallets is here 🛡️ Update your BTC-Only Keystone 3 Pro to firmware V-2.1.8 and unlock unlimited multisig setups 🔥 Plus, the new "Verify code" feature helps with faster wallet verification 🔍 Try it now and share your feedback below 🙌

@nostrnaut This is an added feature for power users who want more and not the standard setup!

@KeystoneForBTC multi-sig + passphrases..? that’s grotesquely complex for zero upside

@ob_hodl This is an added feature for power users who want more, and not the standard setup!

@KeystoneForBTC tell me you dont understand your threat model without telling me

🚨 Attention #Bitcoin maxis! We’re proud to announce a new partnership with @Wo_Bitcoin to showcase Keystone at #WoB2025 in Madrid ⚡️ Spread the word to your laser-eyed friends and get them ready for the Keystone experience🛡️

Need a closer look at these interesting features? 👀 We've got you covered 👇 x.com/KeystoneForBTC…

Keeping your #Bitcoin safe is non-negotiable, and our Keystone 3 Pro is built for it ⚡️ Don’t just take our word for it! Visit @WalletScrutiny for a comprehensive review 📃 Share this & help your friends protect their $BTC!