Coinkite Coldcard

by Opendime
  |  
Sold out
£59.00

Opendime’s Coldcard is bringing convenience to the world of cryptocurrency hardware wallets like never before. Affordable, easy to use, and straight to the point, the Coldcard lets you store your Bitcoins and other cryptocurrencies securely offline courtesy of a hi-tech “card” you can slip right inside your wallet. And the best part about this device? There’s no complicated set-up process – your Coldcard is ready to hold at a moment’s notice!

Hardware wallet security, no learning curve required

The main appeal of the Coldcard? How easy and familiar it is to use. Whereas other crypto hardware wallets go all-in on security and customization, the Coldcard goes all-in on convenience without compromising on safety. Thanks to its flat design, the Coldcard has the mainstream familiarity that users would associate with credit or debit cards. This is a cryptocurrency hardware wallet you can actually slip inside your regular fiat wallet!

On the other side of the fence, the Ledger and TREZOR hardware wallets are amazing products. But they’re first-generation gadgets – no one’s ever seen anything like them before, and as such, they have a slight learning curve (if not a familiarity curve). Now, in 2018 it’s nothing for a person to pick up the ins-and-outs of a new device.

But there’s something to be said about the Coldcard’s instant accessibility. There’s nothing “first-gen” about a card design, and that’s the Coldcard’s advantage: it mitigates most of the complexities of crypto holding by streamlining the process.

Plug in and transact just like a hard drive

The Ledger and TREZOR wallets require software downloads to interact with computers. That’s no big deal, but what’s even easier is not having to download any software at all. Alas, that’s the promise of the Coldcard. This new hardware wallet works more like a thumb drive. Plug it in, and you’re ready to go. No complicated set up, no downloads, no nothing. Plug and go – it’s that simple. This dynamic is a dream come true for new users in the crypto space who just want an excellent and extremely easily usable storage solution.

Secure and ready for lots of use

  • The Coldcard secures your private keys in a specially-designed onboard security chip, so you won’t have to worry about them being compromised in the MicroSD’s flash
  • PIN key keeps unwanted users out
  • Opensource MicroPython software can be audited and customized at any time
  • Card slot for MicroSD that facilitates storage, backup, and offline transacting activities
  • Relies on BIP39, which allows for limitless onboard addresses

Specification

  • 128×64 OLED screen
  • ATSHA204 microchip
  • Internal true random number generator (TRNG)
  • BIP32 HD wallet for master secret
  • Secondary PIN capabilities

Firmware and Debug Mode Perks

The Opendime devs wanted to make the Coldcard something of a slate upon which the community could mold and create to its whims.

That’s why the team placed a special emphasis on making the Coldcard’s firmware malleable, so that it can be adjusted on the go as needed. Altcoin projects will be able to use the product’s MicroPython language to ensure compatibility whenever desired, for example. And then there’s debug mode capabilities, too.

The unique design of the Coldcard makes it so that commands in Python can be inputted straight into the device. Overall, this crypto hardware wallet packs quite the bite. Secure yours – and thus your Bitcoin holdings – today!

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