COLDCARD Mk4 Early-Bird reservation ( $40 OFF) starts now.

Excited to announce the Early Bird reservation of COLDCARD Mk4, get $40 off as many units as you’d like.

Some of the improvements include:

• USB-C Connector

• Unlimited Memory, no Bitcoin Transaction size restrictions

• NFC Tap for all data types, PSBT, Address, etc...

• New 2x secure elements design (multi vendor)

• New plastic

• Faster Processor

• ... and much more, details coming!

Shipping will be handled later when the device is ready for you.