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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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 2025 in Bitcoin Core v30.0. This issue is considered Low severity. Details Before writing a block to disk, Bitcoin Core checks that its size is within a normal range. This check would overflow on 32-bit systems for blocks over 1GB, and make the node crash when writing it to disk. Such a block cannot be sent using the BLOCK message, but could in theory be sent as a compact block if the victim node has a non-default large mempool which already contains 1GB of transactions. This would require the victim to have set their -maxmempool option to a value greater than 3GB, while 32-bit systems may have at most 4GiB of memory. This issue was indirectly prevented by capping the maximum value of the -maxmempool setting on 32-bit systems. Attribution Pieter Wuille discovered this bug and disclosed it responsibly. Antoine Poinsot proposed and implemented a covert mitigation. Timeline 2025-04-24 - Pieter Wuille reports the issue 2025-05-16 - Antoine Poinsot opens PR #32530 with a covert fix 2025-06-26 - PR #32530 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-2025-46597 - Highly unlikely remote crash on 32-bit systems

CVE-2025-46597 - Highly unlikely remote crash on 32-bit systems

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Bitcoin Core 28.3 released Bitcoin Core version 28.3 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 to help you.

Bitcoin Core

Bitcoin Core 28.3 released

Bitcoin Core 28.3 released

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How Bitcoin Mining Can Power Water Desalination If Greenpeace and Greta Thunberg are to be believed, then Bitcoin mining is a net negative in getting to net zero, as we boil the Oceans in exchange for magic internet money. Environmental advocates claim that Bitcoin’s sin is that it uses fossil fuels and encourages more usage through its demand for electricity. And that […] The post How Bitcoin Mining Can Power Water Desalination appeared first on The Bitcoin Manual.

The Bitcoin Manual

How Bitcoin Mining Can Power Water Desalination - The Bitcoin Manual

Instead of getting rid of heat generated by Bitcoin mining some projects are exploring redirecting it into a thermal desalination system where wast...

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Bitcoin App: Flash (Pay With Flash) Bitcoin’s promise as peer-to-peer electronic cash is only as good as the infrastructure that makes it accessible to merchants and customers alike. While we’ve seen plenty of payment processors come and go, each iteration brings us closer to the seamless experience that could make bitcoin payments as common as tapping your card at the checkout. […] The post Bitcoin App: Flash (Pay With Flash) appeared first on The Bitcoin Manual.

The Bitcoin Manual

Bitcoin App: Flash (Pay With Flash) - The Bitcoin Manual

A detailed review of the Bitcoin application and SAAS Flash which offers Bitcoin payment gateway solutions for eCommerce and offline commerce

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#423 Een week vol Bitcoin 🧠Quote(s) van de week: “Als je zegt dat je niet in Bitcoin gelooft, kun je net zo goed zeggen dat je niet in inflatie gelooft.”— James Lavish 🧡Bitcoin nieuws🧡 Op 30 september: ➡️Tether koopt meer dan 8.800 Bitcoin ter waarde van $1 miljard, volgens on-chain data. ➡️River: “Bitcoin heeft de afgelopen maanden tijd doorgebracht op […] The post #423 Een week vol Bitcoin appeared first on Bitcoin Focus.

Bitcoin Focus

#423 Een week vol Bitcoin

🧠Quote(s) van de week: “Als je zegt dat je niet in Bitcoin gelooft, kun je net zo goed zeggen dat je niet in inflatie gelooft.”— J...

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Bitcoin Core 29.2 released Bitcoin Core version 29.2 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 to help you.

Bitcoin Core

Bitcoin Core 29.2 released

Bitcoin Core 29.2 released

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What Is Solo Bitcoin Mining? In the early days of Bitcoin, anyone with a laptop could mine blocks from their bedroom and earn the block reward. Even as the move towards GPU mining, it was still possible for the average miner to compete from their bedroom. But things have changed drastically with the industrialisation of Bitcoin mining. Today, Bitcoin miners […] The post What Is Solo Bitcoin Mining? appeared first on The Bitcoin Manual.

The Bitcoin Manual

What Is Solo Bitcoin Mining? - The Bitcoin Manual

Bitcoin solo mining is when an individual attempts to compete to secure a block of transactions and receive the entire block reward and fees

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Bitcoin Core 30.0 released Bitcoin Core version 30.0 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 to help you.

Bitcoin Core

Bitcoin Core 30.0 released

Bitcoin Core 30.0 released

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What Are RGB Asset Swaps? The Bitcoin Lightning Network has enabled payment scalability, removing certain on-chain limitations on Satoshis. Once on Lightning, you do not need to worry about high fees, dust transaction limits, block confirmation times or securing space in the next block. Lightning brought speedy microtransactions to Bitcoin —exclusively! Despite the improvements Lightning brings, Bitcoin as a medium […] The post What Are RGB Asset Swaps? appeared first on The Bitcoin Manual.

The Bitcoin Manual

What Are RGB Asset Swaps? - The Bitcoin Manual

KaleidoSwap executes atomic stablecoin swap using tUSDT RGB-20 tokens on Lightning mainnet using the RGB protocol.

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#422 Een week vol Bitcoin 🧠Quote(s) van de week: “Ze zullen je eindeloos afleiden met sociale kwesties en politiek. Richt je in plaats daarvan op het leren over geld en Bitcoin. Stap van het hamsterwiel af. Spaar tien jaar lang in Bitcoin voor een leven vol vrijheid, of verkwist tien jaar lang je spaargeld voor een leven vol pijn. Welke […] The post #422 Een week vol Bitcoin appeared first on Bitcoin Focus.

Bitcoin Focus

#422 Een week vol Bitcoin

🧠Quote(s) van de week: “Ze zullen je eindeloos afleiden met sociale kwesties en politiek. Richt je in plaats daarvan op het leren over gel...

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#421 Een week vol Bitcoin 🧠Quote(s) van de week: Jeff Booth: “Wanneer je Bitcoin écht begrijpt, ben je constant een koper. Er is nooit een prijs die te hoog is.” Nick Szabp: “Bitcoin kan naadloos wereldwijd opereren. Je kunt geld sturen van El Salvador naar Oekraïne zonder dat iemand ertussen komt.” 🧡Bitcoin nieuws🧡 Op 8 september: ➡️Hoewel dit artikel uit […] The post #421 Een week vol Bitcoin appeared first on Bitcoin Focus.

Bitcoin Focus

#421 Een week vol Bitcoin

🧠Quote(s) van de week: Jeff Booth: “Wanneer je Bitcoin écht begrijpt, ben je constant een koper. Er is nooit een prijs die te hoog is.&#8...

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Bitcoin Hashrate Reaches 1 Zetahash Despite the drama surrounding the release of Core 30 and the fact that Bitcoin continues to hover above $ 100,000, this latest bull cycle has been relatively uneventful. The news cycle has been slow, and the arguments on Twitter have been far less entertaining when compared to previous cycles. Despite the lull, Bitcoin chugs on […] The post Bitcoin Hashrate Reaches 1 Zetahash appeared first on The Bitcoin Manual.

The Bitcoin Manual

Bitcoin Hashrate Reaches 1 Zetahash - The Bitcoin Manual

The global Bitcoin network hashrate is a calculated value and is measured in hashes per second (H/s) and has recently hit a new all time high

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Bitcoin Visibility at Scale: New Upgrades to the Blockstream Explorer API The Blockstream Explorer API has quietly become one of the most relied-on pieces of Bitcoin infrastructure. From open-source wallets to fintech dashboards and institutional analytics tools, it underpins a growing number of production applications in both the Bitcoin and Liquid ecosystems. Now, with a series of backend improvements and new

Blockstream

Bitcoin Visibility at Scale: New Upgrades to the Blockstream Explorer API

The Blockstream Explorer API has quietly become one of the most relied-on pieces of Bitcoin infrastructure. From open-source wallets to fintech das...

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#420 Een week vol Bitcoin 🧠Quote(s) van de week: “De Romeinse staat werd dagelijks armer, terwijl de belastingen voortdurend toenamen, omdat de munt gedevalueerd werd.” – Zosimus, 6e eeuw. Saifedean Ammous: “Het grootste probleem met Bitcoin is dat het niet bestond vóór 2009.” 🧡Bitcoin nieuws🧡 Op 1 september: ➡️’Bitcoin supply shock is imminent!’ – Trending Bitcoin Op 2 september: ➡️Wicked: […] The post #420 Een week vol Bitcoin appeared first on Bitcoin Focus.

Bitcoin Focus

#420 Een week vol Bitcoin

🧠Quote(s) van de week: “De Romeinse staat werd dagelijks armer, terwijl de belastingen voortdurend toenamen, omdat de munt gedevalueerd werd.�...

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What Is the Drama Surrounding Bitcoin Core 30? The Bitcoin ecosystem is witnessing one of its most contentious debates in years, centred around Bitcoin Core version 30 and its controversial expansion of OP_RETURN data limits. What began as a technical discussion about mempool policy has evolved into a heated battle over Bitcoin’s fundamental identity: Should it remain primarily a decentralised database that records […] The post What Is the Drama Surrounding Bitcoin Core 30? appeared first on The Bitcoin Manual.

The Bitcoin Manual

What Is the Drama Surrounding Bitcoin Core 30? - The Bitcoin Manual

The Bitcoin ecosystem is witnessing one of its most contentious debates in years, centred around Bitcoin Core version 30 and its controversial expa...

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#419 Een week vol Bitcoin 🧠Quote(s) van de week: James Lavish: “Als je ergens tegen wilt protesteren, protesteer dan tegen de monetaire manipulatie van centrale banken die je dagelijks koopkracht afneemt. En de manier om dat te doen is door Bitcoin te kopen.” De grote belofte van Bitcoin — zijn grote en nobele ambitie — is dat het, over een […] The post #419 Een week vol Bitcoin appeared first on Bitcoin Focus.

Bitcoin Focus

#419 Een week vol Bitcoin

🧠Quote(s) van de week: James Lavish: “Als je ergens tegen wilt protesteren, protesteer dan tegen de monetaire manipulatie van centrale ban...

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