#426 Een week vol Bitcoin 🧠Quote(s) van de week: “Ik koos de dollar niet.Ik koos de euro niet.Ik koos het pond niet.Ik koos de yen niet.Ik koos de roebel niet.Ik koos fractional-reserve-bankieren niet.Ik koos centrale banken niet.Ik koos quantitative easing niet.Ik kies Bitcoin.” – Bitcoin Teddy 🧡Bitcoin nieuws🧡 “Mensen willen wanhopig dat Bitcoin faalt, omdat het zien slagen ervan zou […] The post #426 Een week vol Bitcoin appeared first on Bitcoin Focus.

Bitcoin Focus

#426 Een week vol Bitcoin

🧠Quote(s) van de week: “Ik koos de dollar niet.Ik koos de euro niet.Ik koos het pond niet.Ik koos de yen niet.Ik koos de roebel niet.Ik ko...

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Enabling Lightning Payments with Liquid Swaps in the Blockstream App Blockstream app enables Liquid and Lightning swaps, making Bitcoin payments effortless, reliable, and extremely private.

Blockstream

Enabling Lightning Payments with Liquid Swaps in the Blockstream App

Blockstream app enables Liquid and Lightning swaps, making Bitcoin payments effortless, reliable, and extremely private.

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The Cat in the Taproot Wizards Hat The bull market we thought we would get in 2025 never arrived, and because we’re not enjoying a year of up-only markets smashing $150 000 and beyond, the community has turned its attention away from NGU and toward each other. We need something to entertain ourselves and someone to blame for the lack of a […] The post The Cat in the Taproot Wizards Hat appeared first on The Bitcoin Manual.

The Bitcoin Manual

The Cat in the Taproot Wizards Hat - The Bitcoin Manual

An introduction to one of Bitcoin's Most Controversial Soft Fork Proposals that would rug anyone who is holding meta protocol assets in their ...

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#425 Een week vol Bitcoin 🧠Quote(s) van de week: “Wat is de gemeenschappelijke deler bij al deze problemen?Hoge huur — GeldGeen huizen kunnen kopen — GeldBoodschappen veel te duur — GeldStudieschuld — GeldCreditcardschuld — GeldZorgverzekering — GeldSparen om te investeren — GeldDating en huwelijk — Geld (zware last vanwege monetaire kosten), vertrouwen in instituties — verbrijzeld vanwege kapot geld Geloof […] The post #425 Een week vol Bitcoin appeared first on Bitcoin Focus.

Bitcoin Focus

#425 Een week vol Bitcoin

🧠Quote(s) van de week: “Wat is de gemeenschappelijke deler bij al deze problemen?Hoge huur — GeldGeen huizen kunnen kopen — GeldBoodschapp...

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Important Jade Security Update Blockstream Jade's 1.0.38 update introduces an important anti-rollback feature to protect users in light of a potential vulnerability exposing users to malicious firmware downgrade attempts.

Blockstream

Important Jade Security Update

Blockstream Jade's 1.0.38 update introduces an important anti-rollback feature to protect users in light of a vulnerability exposing users to malic...

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Core Lightning 25.12: "Boltz's Seamless Upgrade Experience" We told you 24.08, 25.05 and 25.09 had enhancements, but you haven’t seen anything like this! We know we’re biased, but this release is full of enhancements, optimizations and, you guessed it; biases! ⚡ TL;DR... the highlights: - BIP-39 12-word recovery phrase

Blockstream

Core Lightning 25.12: "Boltz's Seamless Upgrade Experience"

We told you 24.08, 25.05 and 25.09 had enhancements, but you haven’t seen anything like this! We know we’re biased, but this release is full of...

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#424 Een week vol Bitcoin Allereerst: excuus voor het uitblijven van de nieuwsbrief edities de afgelopen weken. Maar we zijn weer terug! Met de wekelijkse nieuwsupdate van Felipe! 🧠Quote(s) van de week: “Alles waarvan je denkt dat je het bezit, is in feite slechts een huurcontract van de overheid wanneer zij een monopolie op geweld hebben, omdat ze je eigendom […] The post #424 Een week vol Bitcoin appeared first on Bitcoin Focus.

Bitcoin Focus

#424 Een week vol Bitcoin

Allereerst: excuus voor het uitblijven van de nieuwsbrief edities de afgelopen weken. Maar we zijn weer terug! Met de wekelijkse nieuwsupdate van F...

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What IS BIP-360? In June 2024, a Bitcoin developer named Hunter Beast introduced BIP 360, also known as “Pay to Quantum Resistant Hash” (P2QRH), a new address format aimed at future-proofing Bitcoin transactions and ensuring your hodl assurances remain secure on the blockchain, as they have for over a decade. While debates over block sizes, spam transactions & lower block rewards […] The post What IS BIP-360? appeared first on The Bitcoin Manual.

The Bitcoin Manual

What IS BIP-360? - The Bitcoin Manual

BIP360 is a proposal to introduce post-quantum cryptography into Bitcoin to address Bitcoin addresses possible future quantum-vulnerability issues

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What Is A Blockstream JadeLink? Bitcoin self-custody is all about getting to grips with the concept of “air-gapping”, which is the gold standard for security—keeping your seed in complete physical and wireless isolation from potentially compromised systems. While many hardware wallets offer air-gap capabilities through QR codes, Blockstream’s JadeLink takes this concept further, offering a specialised tool that transforms the […] The post What Is A Blockstream JadeLink? appeared first on The Bitcoin Manual.

The Bitcoin Manual

What Is A Blockstream JadeLink? - The Bitcoin Manual

JadeLink is a premium, low-profile USB-C storage drive designed to be paired with Jade Plus to unlock additional functionality and security assuran...

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The Bitcoin Treasury Trap Bitcoiner and Bank to the Future co-founder Simon Dixon has issued one of his most urgent warnings yet: we are entering what he calls “the Wall Street attack phase”—a systematic effort by institutional finance to pull your Bitcoin into custodial wrappers and, in times of crisis, separate you from your coins permanently. While Michael Saylor […] The post The Bitcoin Treasury Trap appeared first on The Bitcoin Manual.

The Bitcoin Manual

The Bitcoin Treasury Trap - The Bitcoin Manual

A look at all the risks curried by a Bitcoin treasury company and why the convenience comes with a significant amount of risk to shareholders in th...

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Blockstream Boosts Engineering with Addition of Distributed Lab's Expertise Blockstream has integrated the technology and expertise of Distributed Lab, a software engineering company known for its Bitcoin, cryptography, and smart contract expertise.

Blockstream

Blockstream Boosts Engineering with Addition of Distributed Lab's Expertise

Blockstream has integrated the technology and expertise of Distributed Lab, a software engineering company known for its Bitcoin, cryptography, and...

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Blockstream Quarterly Update - Q3 2025 In this latest quarterly update, we cover multiple Blockstream app releases, Simplicity’s mainnet debut, Lightning scalability work, and the institutional lead-in to Lugano Plan B. https://blog.blockstream.com/blockstream-quarterly-update-q3-2025-2/ #Eenentwintig #Nieuws #News #BitcoinNews

Germany’s Bitcoin Tax Battle: Why P2P Premiums Beat KYC Every Time Germany has long been considered one of Europe’s most Bitcoin-friendly jurisdictions, offering something that makes hodlers elsewhere green with envy: tax-free Bitcoin gains after just one year of holding. But this olive branch may be coming to an end, and the political battle unfolding in the Bundestag reveals a fundamental truth about Bitcoin’s future—governments will […] The post Germany’s Bitcoin Tax Battle: Why P2P Premiums Beat KYC Every Time appeared first on The Bitcoin Manual.

The Bitcoin Manual

Germany's Bitcoin Tax Battle: Why P2P Premiums Beat KYC Every Time - The Bitcoin Manual

Germany's Left and Green Party push to end tax-free Bitcoin holding and a look at what that means for hodlers should they be successful

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Jade Plus Camera Update: Faster, Sharper, and More Reliable QR Scanning With the Jade Plus camera upgrade, QR scanning executes up to 35% faster.

Blockstream

Jade Plus Camera Update: Faster QR Scanning

With the Jade Plus camera upgrade, QR scanning executes up to 35% faster.

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What Is BIP-444? The release of Bitcoin Core v0.30 has come and gone, but the drama surrounding it has not ended. As nodes on the network update to the new version, it allows for easier relay of arbitrary data in transactions and opens up what some consider new features, while the opposing camp considers it enabling a new […] The post What Is BIP-444? appeared first on The Bitcoin Manual.

The Bitcoin Manual

What Is BIP-444? - The Bitcoin Manual

A new soft fork proposal has split the Bitcoin community as core 30 rolls out with BIP-444 pushing to restrict non-financial data on Bitcoin's...

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What Is A Ledger Nano Gen5? The hardware wallet market has evolved dramatically since the first Ledger Nano devices emerged nearly a decade ago. Ledger had a first-mover advantage, and the Nano S brand and visual aesthetic were nearly synonymous with self-custody, but as competition emerged and Ledger faced its own share of drama —hacks and questions over access to private […] The post What Is A Ledger Nano Gen5? appeared first on The Bitcoin Manual.

The Bitcoin Manual

What Is A Ledger Nano Gen5? - The Bitcoin Manual

The new Ledger Nano™ Gen5 signer is launching in October 2025 and includes features like Clear Signing, Transaction Check and Ledger Security Key

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What Is Parasite Pool? The Bitcoin mining landscape is experiencing a quiet revolution this cycle. While corporate miners consolidate around predictable payout models, a counterculture of “pleb miners” is emerging with the help of open-source mining projects—hobbyists running Nerd Miners, NerdAxes, and BitAxe miners next to their Raspberry Pi nodes, enthusiasts heating their homes with ASICs, and privacy-conscious bitcoiners […] The post What Is Parasite Pool? appeared first on The Bitcoin Manual.

The Bitcoin Manual

What Is Parasite Pool? - The Bitcoin Manual

Parasite Pool has launched with a novel new bitcoin mining payout method aimed at attracting more pleb solo miners to contribute hash rate

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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 it would cause the victim to run out of disk space. A fix was released on October 10th 2025 in Bitcoin Core v30.0. This issue is considered Low severity. Details A node would unconditionally log when receiving a block that fails basic sanity checks, or when receiving a block that branches off prior to the last checkpoint. By repeatedly sending such an invalid block to a victim node, an attacker could cause the victim to run out of disk space. This issue was fixed by implementing log rate-limiting across the board, also preventing future issues of the same type from happening. Attribution Niklas Goegge discovered this bug and disclosed it responsibly. Eugene Siegel independently re-discovered this bug and disclosed it responsibly. Eugene Siegel and Niklas Goegge worked on a fix mitigating all types of log-filling attacks. Credits also to contributor “practicalswift” who previously raised concerns about disk-filling vectors in Bitcoin Core and worked to address them. Timeline 2022-05-16 - Niklas Goegge reports this issue to the Bitcoin Core security mailing list 2025-03-13 - Eugene Siegel reports this issue to the Bitcoin Core security mailing list 2025-04-24 - Eugene Siegel reports to the security mailing list about his research on the worst case disk filling rate. 2025-05-23 - Eugene Siegel opens PR #32604 to introduce log rate-limiting, based on earlier work from Niklas Goegge 2025-07-09 - PR #32604 is merged into master 2025-09-04 - Version 29.1 is released with the fix 2025-10-10 - Version 30.0 is released with the fix 2025-10-24 - Public Disclosure

Bitcoin Core

CVE-2025-54605 - Disk filling from invalid blocks

CVE-2025-54605 - Disk filling from invalid blocks

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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 the victim to run out of disk space. A fix was released on October 10th 2025 in Bitcoin Core v30.0. This issue is considered Low severity. Details Bitcoin Core would unconditionally log in case of self-connection. This could be exploited by an attacker by waiting for a victim to connect to it and reusing the version message nonce to establish many connections to the victim, causing it to detect those attempts as self-connections. However, exploitability is limited because the initial connection from the victim will timeout after 60 seconds by default. This issue was fixed by implementing log rate-limiting across the board, also preventing future issues of the same type from happening. Attribution Niklas Goegge discovered this bug and disclosed it responsibly. Eugene Siegel and Niklas Goegge worked on a fix mitigating all types of log-filling attacks. Credits also to contributor “practicalswift” who previously raised concerns about disk-filling vectors in Bitcoin Core and worked to address them. Timeline 2022-03-16 - Niklas Goegge reports this issue to the Bitcoin Core security mailing list 2025-05-23 - Eugene Siegel opens PR #32604 to introduce log rate-limiting, based on earlier work from Niklas Goegge 2025-07-09 - PR #32604 is merged into master 2025-09-04 - Version 29.1 is released with the fix 2025-10-10 - Version 30.0 is released with the fix 2025-10-24 - Public Disclosure

Bitcoin Core

CVE-2025-54604 - Disk filling from spoofed self connections

CVE-2025-54604 - Disk filling from spoofed self connections

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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 victim node a few seconds each to validate. The non-standard transactions would be rejected but not lead to a disconnection and the process could be repeated. This could be exploited to delay block propagation. The issue was mitigated in multiple steps by reducing the validation time in different Script contexts. Attribution Antoine Poinsot reported this issue to the Bitcoin Core security mailing list. Pieter Wuille, Anthony Towns and Antoine Poinsot implemented mitigations to reduce the worst case validation time of unconfirmed transactions. Timeline 2025-04-25 - Antoine Poinsot reports the issue 2025-05-12 - Pieter Wuille opens PR #32473 to mitigate the worst case quadratic signature hashing in legacy Script context 2025-07-24 - Anthony Towns opens PR #33050 to mitigate the worst case hashing in Tapscript context 2025-07-30 - Antoine Poinsot opens PR #33105 to further mitigate the worst case in legacy Script context 2025-08-08 - PR #33105 is merged into master 2025-08-11 - PR #32473 is merged into master 2025-08-12 - PR #33050 is merged into master 2025-10-10 - Version 30.0 is released with the mitigations 2025-10-24 - Public Disclosure

Bitcoin Core

CVE-2025-46598 - CPU DoS from unconfirmed transaction processing

CVE-2025-46598 - CPU DoS from unconfirmed transaction processing

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