2026-08-01 crawl · observed, not inferred
Technology used by keycard.tech
Open-source and modular hardware wallets. NFC smart card + air-gapped QR signing device. Works with MetaMask, Rabby, Sparrow. Bitcoin and Ethereum supported.
12
technologies detected
Recent changes
Full detected stack
Everything detected on this domain in the latest monthly crawl, grouped by what it does. ↩ marks when we first observed it — no later than that date, not necessarily when they adopted it. Faded dates were seen in fewer than four crawls.
Miscellaneous
Webmail
JavaScript libraries
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Font scripts
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