POD256 | Bitcoin Mining, Freedom Tech, and Awesome Tangents

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Episodes

123

Latest episode

Aug 2026

Language

EN-US

About the show

A Bitcoin podcast focused on open-source Bitcoin mining, energy, and freedom tech. Recorded weekly at Bitcoin Park in Nashville, TN. Co-hosted by: @econoalchemist, @skot9000, and @tylerkstevens

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August 18, 2026Episode 1241 hr 5 min

124. Mining Forks, Firmware Red Teams, and the Future of Sovereign Hashrate

In this episode, we dug into the latest fallout around Ocean Mining and Luke Dashjr’s departure as CTO, along with the broader controversy around BIP 110 and the so-called “LukeCoin” proof-of-work fork. We talked through why the messaging around that fork is so misleading, how term redefinition keeps confusing newer Bitcoiners, and why simply changing mining algorithms does not magically solve centralization. We also explored the technical choices behind the proposed proof-of-work change, why existing ASIC availability matters, and how these alt-fork experiments often reveal more about incentives and market structure than about any real path forward for Bitcoin. We also spent time on the 256 Foundation’s latest work, including red-team analysis of closed-source mining firmware and why these opaque systems create serious operational and even grid-level risks. From there, we highlighted the upside of open-source firmware through Riot’s new solar-responsive mining product built on Mujina, which shows what becomes possible when miners can actually control their hardware. We wrapped with updates on the Buzz relay for agent-assisted collaboration, thoughts on making it easier for home miners to run their own low-cost nodes, and some early findings from reverse engineering a WhatsMiner M64 that suggest just how far manufacturers are going to lock users out of their own machines.

August 10, 2026Episode 1231 hr 7 min

123. Coldcard Fallout, Mining Firmware, and the BIP 110 Blowup

In this episode, we dug into a rough stretch for Bitcoin infrastructure and security, starting with the Coldcard entropy exploit, the messy hotfix fallout, and related concerns around BTC Pay Server and Lightning vulnerabilities. From there, we explored how AI-assisted security research is rapidly changing the landscape: open-weight frontier models and tools like Ghidra and Wireshark are making it dramatically easier to inspect code, reverse engineer binaries, and uncover weaknesses in both open and closed-source Bitcoin software. We talked through the tradeoffs between closed proprietary AI providers and more permissive open-weight models, the hardware and cost constraints of running these systems, and why this new era of AI-driven auditing is likely to expose a lot of long-hidden assumptions across the Bitcoin stack. We also spent a lot of time on Bitcoin mining: how AI-based reverse engineering is being applied to proprietary mining firmware, what that could reveal about dev fees, remote controls, and operational risk, and why open-source mining infrastructure matters more than ever. We covered the BIP 110/Ocean controversy, miner and node power dynamics, and the urgent need for better decentralized pooling options and more home miners running their own nodes. We wrapped with updates from the 256 Foundation ecosystem, including progress on Bitaxe Proto and Bonanza support, Magina ports, ideas for cheaper home mining nodes, and upcoming hands-on workshops and events for builders who want to get deeper into mining and open-source infrastructure.

August 3, 2026Episode 1221 hr 0 min

122. Weak Entropy, Broken Trust, and the $90M Coldcard Fallout

In this episode, we spent most of our time unpacking the Coldcard firmware exploit and the chaos that followed across the Bitcoin self-custody world. From our perspective, this was a painful but important conversation about broken trust, weak entropy, and the real-world consequences of software mistakes in security-critical products. We walked through how the vulnerability appears to have stemmed from a flawed random number generation implementation, why so many wallets were exposed, and how quickly attackers were able to sweep funds once the issue became public. We also discussed why this incident has reignited the debate around GPL licensing, open development, and the value of broad community review for Bitcoin hardware and firmware projects. We also zoomed out to talk about what this means for Bitcoin builders and operators going forward. That included the importance of defensive self-custody practices, why simply applying a hotfix may not be enough to restore confidence, and how the broader community responded with audits, tooling, data analysis, and emergency migration help. We wrapped by connecting these lessons to open-source mining development, including updates from the 256 Foundation ecosystem and the latest Mujina developer call, where contributors are working to build community-owned tools the right way: in public, with transparency, shared responsibility, and long-term resilience in mind.

July 27, 2026Episode 1211 hr 22 min

121. Why Open-Source Mining Firmware Matters: Inside Mujina’s Next Phase

In this episode, we sat down with Ryan, the mastermind behind Mujina Mining Firmware, to dig into what Mujina is, why open-source mining firmware matters, and how the project is evolving. We talked through the difference between simply publishing source code and building a true community-driven open-source project, why Mujina uses the GPL license, and how that protects downstream users and contributors in a mining ecosystem that has been dominated by closed, proprietary firmware for years. Ryan also explained the role of the Mujina dev calls, the distinction between firmware, operating systems, kernels, and images, and why the next big step for the project is shipping full, easy-to-flash Mujina OS images for machines like the S19. We also covered a lot of ground on what’s happening around the broader 256 Foundation ecosystem: Ryan’s mining workshop in Nairobi and how others across Africa are now reusing those materials, the growing momentum behind HydraPool and open-source mining education, recent mining decentralization events in DC and Nashville, and new hardware progress including the Bitaxe Bonanza, Bitaxe Proto, and support for non-Bitmain chips. Overall, this was a wide-ranging conversation about replacing the proprietary mining stack with open, extensible tools that miners, builders, and educators can actually own, adapt, and improve together.

July 15, 2026Episode 1201 hr 18 min

120. Precise Wattage Control Changes Everything for Bitcoin Mining

In this episode, we sat down with 256 Foundation developer Schnitzel to dig into the latest breakthroughs happening around open-source Bitcoin mining firmware, Mujina. We talked through how recent work on Mujina is unlocking support for Antminer S19j and S19k hashboards, including mixed-board setups running on a single control board. Schnitzel shared what it has been like collaborating with AI agents to rapidly prototype new features, from board detection and fan safeguards to thermal protections and faster frequency ramping. A big theme throughout the conversation was that the modular architecture of Mujina is what makes this kind of experimentation possible, and why open source is such a powerful accelerant for both human and AI-driven development. We also spent a lot of time exploring a practical new use case: matching miner power draw to excess solar generation with precise wattage control. Schnitzel explained how he and collaborators are building a system that can dynamically tune miners to hit exact power targets in seconds, rather than relying on rough estimates or slow reboot-based scaling. We discussed the implications for home mining, grid-responsive mining, and larger industrial deployments, as well as the importance of stress testing, hardware experimentation, and community contributions to keep pushing the frontier forward. The episode closes with a look at where this work is headed next, including per-chip tuning, expanded control board support, and the long-term vision for a broader open-source mining ecosystem.

July 8, 2026Episode 11951 min

119. Soft Forks, Censorship Risks, and Open-Source Bitcoin

In this episode, the crew unpacks the debate around BIP 110, why it has become such a lightning rod in Bitcoin, and what it could actually mean in practice. We talked through the core disagreement over what counts as “spam” on the Bitcoin network, the difference between miner-activated and user-activated soft forks, and why some are skeptical that BIP 110 will achieve its stated goal. We also explored the risks of transaction filtering, the role of consensus rules versus individual policy preferences, and how proposals like this expose bigger questions around governance, open-source development, and trust in Bitcoin node implementations. We also shifted into the mining side of the conversation, where we shared exciting progress on Mujina and why open-source mining firmware matters so much. We highlighted recent demos showing extremely fast power ramping, support for mixed hash boards on a single control board, and new community-built tooling and dashboards. To close things out, we gave a shoutout to the hashers supporting 256 Foundation, checked in on the leaderboard, and teased an upcoming guest episode with someone who knows ASIC development inside and out.

June 24, 2026Episode 1181 hr 9 min

118. From Nairobi to Mugena: Teaching Bitcoin Mining With Open Hardware

In this episode, we sat down with Skot and Ryan to unpack Ryan’s trip to BTC++ Nairobi, where he represented the 256 Foundation and shared our open-source mining mission with builders from across Africa. Ryan talked about the incredible energy of the local Bitcoin community, the real-world use of Lightning and mobile payments across borders, and why Africa offers such a powerful glimpse into Bitcoin’s practical value. We also dug into the strong interest in open-source mining, from Ryan’s main-stage talk on the 256 Foundation’s mining stack to the many conversations he had with developers excited to contribute, experiment, and build without the barriers of closed hardware and firmware. We also went deep on Ryan’s hands-on mining workshop, where attendees learned Bitcoin mining from first principles, CPU-mined on a classroom Signet, assembled Bitaxes, and watched the network shift as ASICs came online. From there, we explored what Ryan saw at Gridless’s biomass-powered mining site in Kenya, the technical realities of balancing power generation with mining load, and promising local projects like BitShaka and Juakali. Throughout the conversation, one theme kept coming up: open-source mining is becoming a practical path for education, experimentation, decentralization, and entirely new energy use cases—and the momentum behind Mugena and the broader 256 Foundation mission is clearly growing.

June 17, 2026Episode 1171 hr 1 min

117. Decentralizing the Dark Corner: Building an Open Mining Stack

In this episode, we catch up with Skot and Tyler on their travels to the Oslo Freedom Forum and BTC Prague, and dig into the fast-moving world of open-source Bitcoin mining. We recap last week’s conversation with AgentP about GridPool and the push to rethink decentralized pools, then explore why mining still feels like a “dark corner” of Bitcoin education and how the 256 Foundation is aiming to change that by building open-source hardware, firmware, and community. From BitDevs insights to the state of mining centralization, we unpack market realities, the shift from the old “just plug it in” era to creative models powered by stranded/intermittent energy, and why closed-source hardware and firmware block innovation. We discuss Braiins’ new BraiinsForge initiative and renewed open-source signals, chip access challenges, Bitmain and WhatsMiner dynamics, and the promise of Mujina firmware—especially for responsive solar mining. Plus, we highlight community dev calls, heat-reuse ideas, solar/inverter integrations, and the path to smarter, modular mining stacks that can thrive in homes, businesses, and beyond.

June 10, 2026Episode 1161 hr 4 min

116. Decentralizing Pool Payouts: Inside GridPool with Agent P

In this episode, we sit down with Agent P to unpack his open-source project GridPool, a radically simple approach to decentralizing Bitcoin mining payouts. We trace his journey from early concerns about mining centralization during the China ban to reverse‑engineering Ocean’s Datum client to build a compatible, open server—enabling client-side block template construction without relying on a centralized payout custodian. Agent P walks us through GridPool’s on-deck and winners lists, how difficulty-ordered but evenly split payout slots remove the need for a latency-prone share chain, and why this design can serve both medium-size miners seeking lower variance and small “lottery” miners. We also discuss compatibility with Hydrapool, potential Stratum V2 and CKPool integrations, bootstrapping a decentralized node network, and how GridPool preserves censorship resistance by only sharing minimal data necessary for verification. We close with a fascinating detour into vibe coding: Agent P details using AI agents to port open-source firmware onto closed miners—compiling and live-loading Mujina onto an S19 XP via SSH with minimal manual intervention—illustrating how AI lowers the barrier for anyone to contribute to open-source mining tools. If you’re passionate about censorship resistance, decentralized pool payouts, and hands-on experimentation, this is a must-listen. Resources: gridpool.net • Hydropool and P2Pool v2 repos (community forks) • February Forum thread on firmware tips for Antminers • Testnet4 participation for GridPool bootstrapping

May 27, 2026Episode 1151 hr 15 min

115. From Bitaxe to Exahash: Inside HydroPool’s Record Stress Test and What’s Next

In this episode, we debrief Telehash #4 and dig into the open-source future of Bitcoin mining. We share behind-the-scenes metrics from HydraPool’s six-and-a-half–hour live stress test, including 30.8 zettahashes processed, an average of 1.32 EH/s, a peak of 2.495 EH/s, 2,231 workers, 59 unique users, and an impressively low ~1% server CPU under >2,000 connections. We explain why rejection rates under ~2% matter, how stale and “difficulty too low” shares differ in solo vs pooled mining, and how Stratum “suggest difficulty,” plus our d= and h= password parameters, help right-size starting difficulty—making Telehash inclusive for both exahash renters and single-chip Bitaxe miners. We also touch on leaderboards, loyalty uptime rules, and shout out supporters like Elektron Energy, Compass, Saaz Mining, and Abundant Minds. From hardware to policy, we discuss Bitaxe UX updates (LVGL, Figma-driven UI, external display/knob), DOOMAXE fun, and industry standardization—from firmware and pools to racks, cooling, and power—arguing that open reference designs cut costs and risk for everyone. We cover GridPool’s “winners list” approach to decentralized variance smoothing, the Patoshi/extra nonce story, vardiff dynamics, and privacy-conscious VPN mining. We reflect on immersion’s decline versus hydro, ASIC roadmap realities and slowing efficiency gains, the supply-chain and security stakes (FCC Wi‑Fi moves, vendor backdoors), and why nonprofit coordination via the 256 Foundation matters for open firmware, dev kits, and reference designs. We close with community invites, next steps for Telehash #5, and a call for ASIC makers and big miners to collaborate on open standards that benefit small and large operators alike.