Wallet
Last verified Jun 13, 2026
▣About Keystone
Keystone is an open-source hardware wallet built for secure crypto storage and self-custody, with support for Bitcoin and other major assets.
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Data Provenance
✓Facts verified by 21Rates research · Jun 13, 2026
✓1 sources cited on this page
21rates.com/companies/keystone · structured data: Organization · Person ×2
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