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https://opensea.io/collection/dev-21
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Joe Blau 🎩
@joeblau
Just bought a YubiKey 5C. Going to see if I can natively sign an Ethereum transaction using a secp256k1 key from the new iPhone 15's USB-C port.
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breadmilkbutter
@breadmilkbutter
was curious abt this too. So glad I bought one that was dual instead of lightening now
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Joe Blau 🎩
@joeblau
Well there may be a caveat. If your YubiKey isn’t firmware version 5.2 or above, it doesn’t support secp256k1 and it can not be upgraded so check your firmware version. I have 2 YubiKey 5c nanos that are both at 5.1.2 so they won’t work.
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