UKey @UKeyOfficial

UKEY SEED TI — BUILT TO ENDURE Fireproof, waterproof and corrosion-resistant — crafted from titanium to keep your offline backup protected for years to come Built tough, made to last

👇Shop now: ukey.com/products/card

UKEY SEED CARD — KEEP WHAT MATTERS Your digital assets deserve more than an ordinary backup Built for durability, designed for everyday convenience and made to keep your backup offline, UKey Seed Card brings security and simplicity together in one compact design Protect what matters, starting today

⚡ LIGHTNING NETWORK FEES EXPLAINED Fast Bitcoin payments, but how are the fees calculated? When payments travel through multiple nodes, each node may charge two types of fees: 🔹 Base Fee — A fixed charge per forwarded payment 🔹 Fee Rate — A variable charge based on the payment amount Understanding these fees helps you see how Lightning payments work behind the scenes. Learn more 👇 ukey.com/help/en/articl… #UKey #UKeyWallet #UKeyBasics #LightningNetwork #Bitcoin #BlockchainEducation

🎓 UKEY ACADEMY EP09 Markets go up, markets go down, but do you know what drives these trends? 📈 Bull Market — Rising prices, growing confidence and optimism 📉 Bear Market — Falling prices, uncertainty and selling pressure Understanding market cycles is the first step toward making smarter decisions Crypto made simple. #UKey #UKeyWallet #UKeyAcademy #BullMarket #BearMarket #BlockchainEducation

READY TO MAKE WEB3 EASIER? On your phone or in your browser, your Web3 world is always one click away Manage your assets Swap, bridge & explore DApps One wallet, across your devices Get the UKey Wallet App or Extension and dive in!

⚡ UKEY WEEKLY: THIS WEEK IN WEB3 📅 October 15, 2026 📉 1. Nearly $1 Billion in Liquidations as Bitcoin Slides Hotter-than-expected U.S. inflation pushed Bitcoin toward $81,000 and triggered nearly $1 billion in leveraged crypto liquidations. 🇰🇷 2. South Korea Blocks 27 Crypto Exchanges Regulators blocked unregistered platforms including KuCoin, BitMart and MEXC for failing to meet local security and anti-money-laundering requirements. 🚨 3. Spy Chips Found Inside Ledger Hardware Wallets Unauthorized implants in certain Ledger devices reportedly captured wallet recovery information and transmitted it through mobile networks. 🔐 4. Coinbase Pushes for Bitcoin's Quantum-Security Upgrade Coinbase urged Bitcoin developers to begin a staged transition toward quantum-resistant signatures before advanced computers can threaten vulnerable wallets. 🇫🇷 5. France Considers 31.4% Tax on Regulated Stablecoins A proposed French tax could disadvantage regulated stablecoins and potentially drive traders toward offshore platforms. #UKey #UKeyWallet #UKeyWeekly #Web3News #Bitcoin #BlockchainNews #DigitalAssets

🔄 HARMONY ADDRESS: 0x vs ONE1 One Harmony account, two address formats — what's the difference? 🔹 0x — Ethereum-compatible format 🔹 one1 — Harmony's native format Both represent the same account, so switching formats won't affect your assets. Learn how to convert addresses and verify the correct format before transferring 👇 ukey.com/help/en/articl… #UKey #UKeyWallet #UKeyBasics #HarmonyNetwork #Web3

UKey Official Statement Supply Chain Security & Distribution Standards Recent security incidents in the hardware wallet industry have raised serious concerns about device integrity and supply chain security. At UKey, we believe protecting users' assets requires more than secure hardware. It demands strict standards across manufacturing, distribution, and every stage of product delivery. Our position is clear: Security must never be compromised at any point in the supply chain. To reinforce this commitment, UKey is establishing three key measures. 1. Strengthening Distributor Authorization Standards UKey will enforce strict security and compliance requirements for authorized distribution. All distributor applications will be subject to business identity verification, ownership transparency, security assessments, and compliance reviews. Authorization will be conditional on meeting UKey's security requirements and maintaining compliance throughout the partnership. Any violation involving unauthorized device modification, compromised product integrity, or failure to meet security standards may result in immediate termination of authorization. Distribution authorization is a responsibility, not a permanent privilege. 2. Reinforcing Hardware Integrity and Security Verification Supply chain protection begins with the device itself. From the earliest stages of development, UKey Core 26 has incorporated two built-in security mechanisms: • Tamper Detection If physical tampering triggers the device's detection mechanism, a security warning is displayed to alert the user. • First-Use Verification Core 26 retains and displays information about prior device use, even after a factory reset, helping users identify unexpected device activity. These mechanisms were designed into Core 26 from the beginning, rather than introduced in response to recent industry incidents. UKey will continue evaluating hardware integrity, device verification, and security procedures to address emerging threats. 3. Strengthening Customer Protection and Channel Accountability UKey maintains a zero-tolerance position toward unauthorized device modification and fraudulent distribution practices. Users should purchase only through UKey's official sales channels or distributors listed on our official website. Before initializing a wallet, users should inspect the packaging, verify the device through official procedures, and check for security alerts. If any signs of tampering or unexpected prior use appear, stop using the device immediately and contact UKey through official support channels. Never share your recovery phrase or private keys with anyone. Where a product integrity concern is reported, UKey will review the available evidence and determine appropriate customer protection measures in accordance with its applicable policies. Hardware wallet security does not end at the factory. It must extend through every partner, every distribution channel, and every device delivered to a user. We will continue strengthening our security standards, improving accountability, and protecting the trust placed in UKey. Security isn't an afterthought. It's where we started. Secure. Simple. Sovereign. — The UKey Team October 13, 2026

YOUR BACKUP DESERVES BETTER Why settle for ordinary backup when you can have something built to last? Meet UKey Seed Card — compact, water-resistant and designed to keep your offline backup protected wherever you go. Upgrade your backup, upgrade your peace of mind.

🔐 UKEY | SECURITY IS BUILT IN FROM DAY ONE Recent hardware wallet tampering reports have raised concerns about supply chain security. At UKey, we addressed these risks from the earliest stages of developing UKey Core 26 with two built-in protections: ① Tamper Detection Alerts users when physical tampering triggers the device's detection mechanism. ② First-Use Verification Indicates whether the device has been powered on since leaving the factory, even after a reset. These protections were built into Core 26 from the start — not added in response to recent events. No security mechanism eliminates every risk. Always purchase through official or authorized channels and verify your device before use. Security isn't an afterthought. It's where we started. Secure. Simple. Sovereign. #UKey #UKeyWallet #UKeyCore26 #HardwareWallet #WalletSecurity #SupplyChainSecurity #SelfCustody

Bull runs, bear strikes — your security stays. Markets change, your control shouldn’t.

UKEY ACADEMY EP08 What are liquidity and trading volume — and why do they matter? Learn how liquidity affects how easily assets can be bought or sold, what trading volume tells you about market activity, and why understanding both can help you read the market better. Crypto made simple. #UKey #UKeyWallet #UKeyAcademy #Liquidity #TradingVolume #DigitalAssets #Web3

@lushengweb3 欢迎加入 UKey！🎉 很高兴能与你一起开启这段新旅程，期待我们携手共建更强大的 Web3 生态！🚀

📷 UKEY AT TOKEN2049 2026 A great experience connecting, learning, and exploring what’s next for Web3. This year, we came to learn, connect, and be inspired. Next year, we hope to come back with something bigger — our own UKey booth at TOKEN2049 2027. Stay tuned for what’s next from UKey. #UKey #UKeyWallet #TOKEN2049 #Web3 #Blockchain #Web3Community #Singapore

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🔄WHAT IS A CHANGE ADDRESS? Sent only part of your Bitcoin balance and noticed the rest moved somewhere else? That’s a change address — a new address automatically generated by your wallet to receive the remaining balance after a transaction and network fee. It also helps improve transaction privacy. Learn more 👇 ukey.com/help/en/articl…

YOUR WEB3 WORLD, ALL IN ONE APP Manage your assets, move across networks, swap, and explore Web3 — all from one seamless experience. Simple when you need it. Powerful when it matters.

👇Shop now: ukey.com/products/card

SECURE YOUR SEED PHRASE UKey Seed Card is designed to help users back up their seed phrase with a secure NFC chip — compact, portable, and built for safer self-custody. Protect your recovery. Secure your access.

👇Shop now: ukey.com/products/ti

UKEY SEED TI - BUILT TO PROTECT WHAT MATTERS Your recovery backup should be strong enough to last — not just for today, but for the long term. UKey Seed Ti is designed for secure seed phrase backup, with a titanium build that helps protect your recovery information from fire, water, corrosion, and physical damage. A stronger way to back up. A safer way to recover.