Keycard Shell 💳 🐚 (pre-order)
@Keycard_
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💳 Slide your Keys into a Shell🛡️ Community: https://t.co/pMHQxid209 Family: @ethStatus @InstituteFT Pre-order only €99 👇
Your pocket
Joined January 2019
🎉Shell Pre-Sale is now live on our store!. The first 500 buyers get €50 OFF + community perk!. ✅Radically open: 100% open-source.✅Radically secure: Signing on secure chip, immutable, with any Keycard.✅Works with 10+ major wallets. further than any hardware wallet today!👇
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RT @mmlado_eth: @Keycard_ Swappable batteries should be the law for a more sustainable planet.
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RT @GoldenDonut13: The design of this is basically perfect and industry leading. It looks like something from Teenage Engineering. Absolute….
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"Best hardware wallet experience by far" ~ Shell tester. ✅ Smoothest setup .✅ Fully air gapped .✅ Signing is actually fun .✅ Works with MM, Rabby etc. ✅ Replaceable battery (!) .✅ Screen + Camera .🤯 Keys changeable via Keycards. 🛒👉
get.keycard.tech
Keycard is an open-source NFC hardware wallet for secure offline key storage. Keycard Shell lets you manage keys, back up, and tap-to-sign on mobile and desktop.
Got beta access to @Keycard_ Shell and just did my first transaction with it. ✅ Smoothest setup.✅ Fully air gapped.✅ Signing is actually fun.✅ Works with MM, Rabby etc. ✅ Replaceable battery (!).✅ Screen + Camera.🤯 Keys changeable via Keycards. Best hardware wallet
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A - always.B - be.C - updating . The 10x engineers at Keycard have been busy bringing new features to our alpha testers. SLIP39 enhanced backups being one of them 👀
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RT @thebitcoinhole: Keycard Shell firmware v0.10.1 released by @Keycard_. Release notes: Discover and compare the….
thebitcoinhole.com
Compare the top Bitcoin Hardware Wallets of 2025. Discover the most secure options and best deals available right now.
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Shell is the perfect developer wallet. One key, one project. With cheap Keycards, in an easy-to-use Shell.
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RT @0x_r4bbit: Got beta access to @Keycard_ Shell and just did my first transaction with it. ✅ Smoothest setup.✅ Fully air gapped.✅ Signi….
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RT @thebitcoinhole: Keycard Shell firmware v0.10.0 released by @Keycard_. Release notes: Discover and compare the….
thebitcoinhole.com
Compare the top Bitcoin Hardware Wallets of 2025. Discover the most secure options and best deals available right now.
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This is why we built Shell with swappable battery.
>buy new ledger.>set it up and do nothing for a few months.>battery already deadge
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RT @mmlado_eth: Just released a #Python SDK for @Keycard_ smartcards!. 🔐 Secure Channel.🪪 Crypto identity.🧰 Smartcard commands. 💻 GitHub: h….
keycard.tech
Keycard is a smart card with secure element for storing keys and transacting via NFC. Durable, open-source, and built for Ethereum/EVM.
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join our growing community of contributors🔧 to build the future of hardware self custody 🚀. shoutout to @mmlado_eth for this @keycard_ python sdk!.
the community is cooking! Great job @mmlado_eth !.
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@superphiz We built Keycard 100% open source. Keys verifiably generated by yourself, never leaving the EAL6+ secure chip. Get one on our store - ready to go - for €25. Or DIY for even cheaper: I just found a compatible JavaCard for ~$10 (search "J3R180"). Then install the applet
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