A feed of the latest blog posts from major bitcoin and crypto wallet companies and developers, direct from the source.  A quick way to stay on top of the latest potential security issues, new products and current deals.

Ledger’s First AMA – A Short Recap Last Saturday (18 January) we held our very first Ask Me Anything session with Fabrice (Coin Integration Manager) and Benjamin (Ledger Live Product Manager) through a YouTube Live to answer all of your burning questions. We thank all of you ...
Ledger’s Hosting its First Ask Me Anything (AMA): Join us on 18 January! In Ledger’s first Ask Me Anything (AMA) session, we will be discussing Tezos support and staking being added to Ledger Live. We’ll be live with Fabrice, Jean-Laurent and Benjamin on January 18 at 3pm CET. Our first AMA: How will ...
Casa Node 2 - Shipping Update We've been working hard to finish Casa Node 2, but we need a little more time to get things to 100% and are moving our ship date out to January 15, 2020.
Version 3.0.6 Released (Security Update) Security Fix (Multisig Users)
This release fixes a multisig PSBT-tampering issue, that could allow a MitM to
steal funds. Please upgrade ASAP.
This issue can only affect multisig wallet users, and we strongly recommend immediate upgrade.
There is no evidence ...
Christmas Campaign – Easter Egg For the holidays and our « Don’t Get Hacked for Christmas » campaign, we have hidden something in the video. Have a close look and try to find the Easter Egg. Having trouble finding it? Don’t worry, we will release different hints ...
Keymaster Update - Fee Selection Keymaster now lets you select your fee and speed when sending a transaction!
Don’t get Hacked for Christmas Keeping your data online is not secure With smartphones and computers being used for safekeeping personal and critical information, they have become more and more of a target for hackers. It has become painfully easy for an attacker to hack ...
Level Up Your Trading Experience: Ledger Announces integration with ShapeShift Providing the ultimate level of security with seamless user experience is our top priority at Ledger. As part of this ongoing quest, today, we are excited to announce an integration with  Shapeshift, an internationally renowned cryptocurrency trading platform. Ledger Nano ...
Bitcoin Core 0.19.0 Released Bitcoin Core version 0.19.0 is now available for download containing multiple improvements and bug fixes For a complete list
of changes in this maintenance release, please see the release
notes. Due to an issue that only came to light just ...
Keymaster Update - November 20, 2019 This update introduces features for seed phrase export with Key Shield mobile key, offline public key viewing, and increased decimal places for all balances on iOS.
15TH ANNIVERSARY OF 'AND THE GLASS HANDED KITES' US TOUR We are pleased to announce that we'll be taking our 'And The Glass Handed Kites' 15th anniversary celebratory show to the US 🇺🇸Tickets for all shows are on-sale this Friday. Find them HERE.May 23: 9:30 Club, WashingtonMay 25: The Bowery Ballroom, NYCMay 28: Neptune ...
Why You Should Run a Casa Node Considering buying a Bitcoin node? This article explores the unique features of Casa Node and why you should be running one!
CVE-2017-18350 Disclosure Disclosure of the details of CVE-2017-18350, a fix for which was released on November 6th, 2017 in Bitcoin Core version 0.15.1.
Technical Details
CVE-2017-18350 is a buffer overflow vulnerability which allows a malicious SOCKS proxy server to overwrite the program ...
Login Countdown and Nickname With 3.0.3 release we have two new optional features, Login Countdown and Device Nickname.
Download the v3.0.3 firmware here
Login Countdown
As a defensive measure, the “login countdown” can force
a time delay when logging into the Coldcard.
Once enabled, ...
Troublesome Change Outputs Download the latest firmware here
The Problem
It is possible to make a valid PSBT file that sends the change left
from a transaction to a unknown location. If an attacker had
your XPUB, and could change your PSBT file ...
SLP Bitcoin Custody Series Welcome to the Bitcoin Custody Interview Series. Hopefully you will enjoy this as a follow on from my prior Hardware […]