# [[Coldcard]] Links: [[Bitcoin]], [[Hardware Wallets]] ## [[Coldcard]] MK3 Review by [[Bitcoin Magazine]] https://www.youtube.com/watch?v=fkEZWhnxBBI ### General - Allows wallet to be used both offline and online - Able to send a [[Bitcoin]] transaction without ever having to connect to a computer or the internet - [[BIP39]]-based - Also pairable with [[Wasabi Wallet]] and [[Electrum]] - Made by [[Coinkite]] - OLED screen - Comes straight out of a box airgapped so you never have to connect it to a computer if you don't want to - Can be used with anything that supports [[BIP 148]] (partially signed transactions) - [[Coldcard]] can remain offline while you connect it with software - Supports multisig - Connect to full node via [[Wasabi Wallet]] or [[Electrum]] - Does not support [[Lightning]] - Can update firmware using the [[microSD]] chip - Only supports [[Bitcoin]] ## [[Tales of the Crypt]] Guide by [[Matt Odell]] https://www.youtube.com/watch?v=sM2uhyROpAQ