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Version 3.2.2 Update Recommended (Multisig Security Update)

Version 3.2.2 Update Recommended (Multisig Security Update)

Security Fix (Multisig Users) Feb 9, 2021

Version 3.2.2 Released (Major Address Explorer Improvements)

Version 3.2.2 Released (Major Address Explorer Improvements)

Major Multisig Improvements! Jan 14, 2021

Version 3.2.1 Released (Major Multisig Enhancements)

Version 3.2.1 Released (Major Multisig Enhancements)

Major Multisig Improvements! Jan 8, 2021

Testnet Considered Useful

Testnet Considered Useful

The Aledged Problem Nov 24, 2020

Version 3.1.8 Released (Lots of enhancements)

Version 3.1.8 Released (Lots of enhancements)

Major Performance Boosts! Aug 4, 2020

Version 3.1.4 Released (BIP-85 added / BIP-143 defences)

Version 3.1.4 Released (BIP-85 added / BIP-143 defences)

Security Fix (BIP-143 replay attack) Jun 12, 2020

BIP-143 Vulnerability

BIP-143 Vulnerability

A security researcher has reportedan attack leveraging an knownissue with how BIP-143 commits to segwit inputs.If malwareis in a position to tamper with your PSBT data, and it can... Jun 3, 2020

Laser Fault Injection

Laser Fault Injection

Ledger’s Donjon lab has posted anew security report regarding the older Coldcard  Mk2 .It’s an amazing report, and very exciting to see theextreme level of resources put... May 18, 2020

SEEDPLATE Bitcoin metal backup

SEEDPLATE Bitcoin metal backup

May 5, 2020

Coldcard firmware update: 3.1.3

Coldcard firmware update: 3.1.3

Apr 30, 2020

COLDPOWER 9volt Battery to USB

COLDPOWER 9volt Battery to USB

Apr 1, 2020

Blockclock Firmware updated

Blockclock Firmware updated

Firmware Upgrade Time! Mar 30, 2020

Supply Chain Trust Minimized

Supply Chain Trust Minimized

Just getting a legit Coldcard into your hands is the hard partsometimes—not just with international shipping and customsshenanigans. Mar 2, 2020

Version 3.0.6 Released (Security Update)

Version 3.0.6 Released (Security Update)

Security Fix (Multisig Users) Dec 19, 2019

Login Countdown and Nickname

Login Countdown and Nickname

With 3.0.3 release we have two new optional features, Login Countdown and Device Nickname. Nov 6, 2019

Troublesome Change Outputs

Troublesome Change Outputs

Nov 1, 2019

Coldcard Hardware Details

Coldcard Hardware Details

Today we have posted all the information you need to be able tobuild your own Coldcard from off-the-shelf parts. We are sharingthis information for the benefit of security resear... Oct 25, 2019

Affiliate Program (Beta)

Affiliate Program (Beta)

We now have an affiliate program for all Coinkite products. It’s pretty simple: we payyou when our products are shipped! Either as store credit, where $100 earned is $150in credit... Oct 24, 2019

Coldcard Address Explorer

Coldcard Address Explorer

Firmware update for powerful new feature: "The Address Explorer" Oct 8, 2019

Coldcard™ Mark 3 Announcement

Coldcard™ Mark 3 Announcement

Aug 26, 2019

Possible Information Leak, Considered Unlikely

Possible Information Leak, Considered Unlikely

Aug 7, 2019

Keep Your Pins Long, and Your Peace of Mind Intact

Keep Your Pins Long, and Your Peace of Mind Intact

Jan 28, 2019

Some Other Wallets.fail

Some Other Wallets.fail

Dec 28, 2018

Coldcard Firmware 1.1.0

Coldcard Firmware 1.1.0

Nov 26, 2018

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