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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
A new look for your vault At Casa, our mission is to help people and organizations take true control of their bitcoin, forever. We believe in sovereignty, and that individuals, families, and businesses should have the tools to protect their wealth without relying on third parties.Today ...
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Bitcoin Core
CVE-2025-54605 - Disk filling from invalid blocks Disclosure of the details of a log-filling bug which allowed an attacker to cause a victim node to
fill up its disk space by repeatedly sending invalid blocks. Exploitability of this bug is limited,
as it would take a long time before ...
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Bitcoin Core
CVE-2025-54604 - Disk filling from spoofed self connections Disclosure of the details of a log-filling bug which allowed an attacker to fill up the disk space
of a victim node by faking self-connections. Exploitability of this bug is limited, and it would
take a long time before it would cause ...
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Bitcoin Core
CVE-2025-46598 - CPU DoS from unconfirmed transaction processing Disclosure of the details of a resource exhaustion issue when processing an unconfirmed transaction.
A fix was released on October 10th 2025 in Bitcoin Core v30.0.
This issue is considered Low severity.
Details
An attacker could send specially-crafted unconfirmed transactions that would take a ...
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Bitcoin Core
CVE-2025-46597 - Highly unlikely remote crash on 32-bit systems Disclosure of the details of a bug on 32-bit systems which may, in a rare edge case, cause the node
to crash when receiving a pathological block. This bug would be extremely hard to exploit. A fix was
released on October 10th ...
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Casa Blog
Casa Blog
Casa Expands Integrations for Seamless Self-Custody: Now with Rhino Bitcoin Casa clients can buy bitcoin through Rhino's secure platform and easily transfer to Casa vaults.
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COINKITE Blog
COLDCARD Bitcoin Spending Policy Released New COLDCARD Feature Release: Spending Policies!
Spending Policy for Single Signers
You can now take your existing single-signer COLDCARD and reconfigure it
so that the COLDCARD will refuse to sign transactions that are “too big” /
“too fast”, or send to an address not ...
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COINKITE Blog
Earn Sats Straight to Cold Storage with Zaprite and COLDCARD Earn Sats Straight to Cold Storage with Zaprite and COLDCARD
Zaprite and COLDCARD: Empowering Bitcoin Payments with Cold Storage Security
Bitcoin adoption continues to grow among freelancers, creators, and businesses worldwide. Yet one challenge persists – many users receive payments into hot ...
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Casa Blog
Casa Blog
Announcing SOC 2 Type I Certification Casa's internal security controls have now been verified by independent auditors.
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Casa Blog
Casa Blog
Casa x Relai: A Trusted Partnership for Buying and Securing Bitcoin Casa clients can buy bitcoin through Relai's secure, Switzerland based platform and easily transfer to Casa vaults. Relai clients get a discount on a Casa membership.
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Casa Blog
Casa Blog
Casa for Business updates - more control & flexibility Businesses using Casa now have access to multiple vaults under one account, and more team signer capabilities. Improved flexibility, visibility, and security for teams holding bitcoin and stablecoins in their treasury.
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Coldcard Cosign and Key Teleport
COINKITE Blog
Coldcard Cosign and Key Teleport New COLDCARD Release: Many BIG features & Fixes!
Two New Heavyweight Features
CCC: COLDCARD can now Co-sign like collaborative multisig HSMs, no centralized servers needed.
KeyTeleport: Send secrets on a video call to other COLDCARD! Securely move seeds,
secure notes/passwords, multisig PSBTs, even full ...
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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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