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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.

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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Bitcoin Core
Bitcoin Core 29.1 released Bitcoin Core version 29.1 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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Bitcoin Core
Bitcoin Core 28.2 released Bitcoin Core version 28.2 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 ...
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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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Bitcoin Core
Bitcoin Core development and transaction relay policy We’d like to share our view on the relationship between Bitcoin Core development and transaction relay
policy on the network.
Bitcoin is a network that is defined by its users, who have ultimate freedom in choosing what
software they use (fully-validating or not) ...
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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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Casa Blog
Casa Blog
New: Buy and sell bitcoin directly from the Casa app Buy bitcoin directly with Casa. Skip the exchange and the extra steps to transfer - buy BTC straight to your secure vault, where you hold the keys.
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Bitcoin Core
CVE-2024-52919 - Remote crash due to addr message spam (part 2) Disclosure of the details of an integer overflow bug which causes a crash if a node is getting
spammed addr messages continuously for a very long time (years). A fix was released on April 14th
2025 in Bitcoin Core v29.0.
This issue is ...
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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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Bitcoin Core
Bitcoin Core 29.0 released Bitcoin Core version 29.0 is now available for download. See the release notes for more information about the
bug fixes in this release.
With the release of this new major version, versions 26.x and older are at
“Maintenance End” and will no ...
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New COLDCARD EDGE Version Released
COINKITE Blog
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 ...
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New Release: Signing and Address Display
COINKITE Blog
New Release: Signing and Address Display New COLDCARD Release: Versions 5.4.1 (Mk4) and 1.3.1 (Q)
New (Message) Signing Features
We love message signing (and transaction signing too). It’s useful to prove ownership
of UTXO and to test access to appropriate private keys. We’ve added some new
ways to sign ...
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COINKITE Blog
New COLDCARD EDGE Version Released New COLDCARD EDGE Release: Versions 6.3.4X (Mk4) and 6.3.4QX (Q).
Bugfix Release
This bugfix release fixes a potentially serious policy deserialization
bug affecting versions 6.2.2X, 6.3.3X, and 6.3.3QX. The bug is limited
to policies where key placeholders are not in strictly ascending
order. This bug ...
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COINKITE Blog
Blockclock MINI/MICRO Update with BitcoinTreasuries.net New MINI and MICRO Firmware, and BitcoinTreasuries.net
All the tasty data from BitcoinTreasuries.net is now
available for display on your Blockclock! At the same time, we’ve updated the firmware
to version 1.2.3. You don’t have to upgrade the firmware to see the ...
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COINKITE Blog
Performance and Fixes New COLDCARD Release: Versions 5.4.0 (Mk4) and 1.3.0 (Q)
Seed XOR Changes
XOR from Seed Vault (select other parts of the XOR from seeds in the vault).
This allow Restore of geographically distributed SeedXOR, without physically bringing
the ...
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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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JAPAN 2021 SHOWS CANCELED
Blog - MEW
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 ...
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