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.
Bitcoin Core 30.2 released Bitcoin Core version 30.2 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 ...
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 ...
Wallet Migration Failure May Delete Unrelated Wallet Files In Bitcoin Core 30.0 and 30.1 We have become aware of a wallet migration bug introduced in Bitcoin Core 30.0 and 30.1. Under rare circumstances, when the migration of a wallet.dat file fails, all files in the wallet directory may be deleted in the process, potentially ...
Bitcoin Core 30.1 released Bitcoin Core version 30.1 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 ...
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 ...
Announcing SOC 2 Type II Compliance Casa's internal security controls have now been verified by independent auditors over a 6 month period.
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 ...
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 ...
fill up its disk space by repeatedly sending invalid blocks. Exploitability of this bug is limited,
as it would take a long time before ...
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 ...
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 ...
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 ...
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 ...
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 ...
to crash when receiving a pathological block. This bug would be extremely hard to exploit. A fix was
released on October 10th ...
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.
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 ...
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 ...
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 ...
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 ...
Announcing SOC 2 Type I Compliance Casa's internal security controls have now been verified by independent auditors.
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.
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 ...
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 ...
New COLDCARD EDGE Version Released New COLDCARD EDGE Release: Versions 6.3.5X (Mk4) and 6.3.5QX (Q).
Catch-Up Release
This release is meant to catch-up Edge with the recent main release
which included many useful bugfixes and improvements. Read
about it in our most recent Feb 13/25 post.
One important non-code ...
Catch-Up Release
This release is meant to catch-up Edge with the recent main release
which included many useful bugfixes and improvements. Read
about it in our most recent Feb 13/25 post.
One important non-code ...
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
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.- ...
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 […]
JAPAN 2021 SHOWS CANCELED MEW’s Japan tour originally scheduled on Jan16th – Jan19th is cancelled due to current situation of COVID-19 all over the world.Ticket refunds will be available from the point of purchase.We’re looking forward to returning to Japan and being able to ...





