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Tangem Granted US Patent for Crypto Smart Ring Wallet
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Cryptokeeper
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Swiss cryptocurrency hardware wallet manufacturer Tangem has been granted a U.S. patent for a ring-shaped device designed to store digital assets and sign blockchain transactions. Tangem Ring Wallet Patent Covers Secure Wearable Crypto Signing Patent number 12307443, issued by the United States Patent and Trademark Office, covers the technology behind the wearable cold wallet. Tangem’s […]
