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Maker of Coldcard Bitcoin Wallet Rolls Out an Extra-Strength 'USB Condom'

CoinKite, maker of the Coldcard hardware wallet, has introduced two accessories that underscore the near-paranoia required to safely hold bitcoin.

By Alyssa Hertig

Updated Apr 10, 2024, 2:31 a.m. Published Jun 1, 2020, 1:00 p.m.

SAFER SATS? CoinKite's Coldpower allows users to charge their hardware wallets by connecting the USB plug to a 9-volt battery, rather than, say, plugging it into a laptop.(Credit:CoinKite)