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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:
Unlimited Memory, no Bitcoin Transaction size restrictions
NFC Tap for all data types, PSBT, Address, etc...
New 2x secure elements design (multi vendor)
... and much more, details coming!
Shipping will be handled later when the device is ready for you.