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.

Casa Blog
Casa Blog
How We Built a Reliable AI Pentester How Casa has automated scanning our code for vulnerabilities with frontier LLMs.
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COINKITE Blog
Update on Customer Data Retention We want to inform our customers of a change to our data-handling practices in
connection with the security incident disclosed on July 30,
2026.
As many of you know, our standard practice has been to automatically blank
customer records after 120 days, retaining only ...
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Casa Blog
Casa Blog
The Rise of the Machines Casa's approach to the AI-accelerated security landscape.
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COINKITE Blog
Adding to the Public Record on Our Ongoing Investigation What Happened, in Simple Terms
There was no intentional weak-entropy fallback. It is important to be precise
about what happened.
Yasmarang was MicroPython’s built-in general-purpose PRNG, introduced upstream
in May 2018. It did not become part of COLDCARD’s seed-generation path until the
libNgU migration in ...
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Casa Blog
Casa Blog
The Coldcard Vulnerability, Explained: Who's at Risk and What to Do Now Learn which Coldcard devices are affected, why the vulnerability matters, and the recommended next steps for singlesig and multisig users.
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ELLIPAL - News
Seed Entropy: How to Check Whether Your Wallet Actually Has It The Coldcard flaw was a silent build error: a software RNG stood in for the hardware one for five years. What happened, how ELLIPAL generates randomness, and the parts you can verify without trusting us.More
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COINKITE Blog
Update, Sunday. The last three days have been some of the hardest in this company’s history,
and for a lot of the people reading this, they’ve been something much worse.
Money that took years to save, gone. Trust that took years to build, broken.
That ...
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ELLIPAL - News
How Crypto Cards Hold Your Money (and What Happens When an Issuer Shuts Down) Crypto cards differ where it counts, which is who holds your balance when the card is idle. Prepaid, exchange-linked and real-time debit models compared, with July 2026 as the test case.More
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COINKITE Blog
Coldcard Security Advisory Updated August 1, 2026 at 2:35 p.m. EDT: Funds controlled by seeds generated
on affected firmware are at risk if the seed was created without at least 50
independent, private dice rolls and the funded wallet is not protected by a
strong, unique ...
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COINKITE Blog
Technical Deep Dive into the Entropy Issue What Happened, in Simple Terms
There was no intentional weak-entropy fallback. It is important to be precise
about what happened.
Yasmarang was MicroPython’s built-in general-purpose PRNG, introduced upstream
in May 2018. It did not become part of COLDCARD’s seed-generation path until the
libNgU migration in ...
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Casa Blog
Casa Blog
From Single Point of Failure to Full Sovereignty: A Portfolio Manager’s Story TLDR:After a sophisticated scam nearly cost him his bitcoin, a veteran portfolio manager realized his digital asset custodian were a single point of failure. Casa empowered him with true self-custody: multi-signature vaults that require multiple keys to move funds, encrypted ...
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Bitcoin Core
Bitcoin Core 29.4 released Bitcoin Core version 29.4 is now available for download. See the release notes for more information about the
bug fixes in this release.
If you have any questions, please stop by the #bitcoin IRC chatroom
(IRC, web) and we’ll do our best ...
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Bitcoin Core
Bitcoin Core 30.3 released Bitcoin Core version 30.3 is now available for download. See the release notes for more information about the
bug fixes in this release.
If you have any questions, please stop by the #bitcoin IRC chatroom
(IRC, web) and we’ll do our best ...
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Bitcoin Core
Bitcoin Core 31.1 released Bitcoin Core version 31.1 is now available for download. See the release notes for more information about the
bug fixes in this release.
If you have any questions, please stop by the #bitcoin IRC chatroom
(IRC, web) and we’ll do our best ...
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Casa Blog
Casa Blog
A Social Engineering Story Analysis of a call from a social engineer posing as Google support.
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ELLIPAL - News
Binance suspended EU services under MiCA: what to do now Binance suspended EU services on July 1, 2026 after missing the MiCA licence deadline. Withdrawals stay open. Here is what happened and how to move your crypto to a wallet you control.More
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ELLIPAL - News
ELLIPAL and N.exchange Announce Partnership to Deliver Self-Custodial, Cross-Chain Crypto Swaps ELLIPAL and N.exchange announce an integration that brings centralized swap routing and a decentralized cross-chain protocol into the ELLIPAL wallet, with private keys signed offline on the air-gapped device throughout.More
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Bitcoin Core
Private Broadcast May Reveal Sender IP Address in Bitcoin Core 31.0 We have become aware of a privacy bug in the -privatebroadcast feature, newly
introduced in Bitcoin Core 31.0, that may cause the originator’s IP address to be
revealed to the receiving peer under certain network conditions. A fix is
forthcoming and will be ...
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Blog - MEW
NEW SHOW ANNOUNCEMENT: COPENHAGEN We’re pleased to announce an intimate show in Copenhagen, at Rust on September 1st! Where we will be playing 'And The Glass Handed Kites…’ in its entirety.Tickets are on-sale NOW here: https://mew.ffm.to/copenhagen2021.owe
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HELSINKI AND OSLO
Blog - MEW
HELSINKI AND OSLO Due to local restrictions still in place we have rescheduled our headline shows in Helsinki and Oslo to January 2022. Tickets for the original dates will remain valid for the new dates: mew.ffm.to/live- January 27: The House of Culture, Helsinki.- ...
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Stephan Livera
Stephan Livera
Bitcoin Supercycle or nah? Date of writing: 27/05/2021 & Bitcoin price: $39,600 USD/BTC or 1 sat = $0.0004 USD Every now and again I […]
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Stephan Livera
Stephan Livera
SLP Bitcoin Custody Series Welcome to the Bitcoin Custody Interview Series. Hopefully you will enjoy this as a follow on from my prior Hardware […]
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