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first_img Heatbit launched the $899 Bitwater component, heating water while mining Bitcoin

Heatbit, which previously launched a heater with a built-in Bitcoin mining machine, has announced the release of a heating element for water heaters named Bitwater. This element replaces the resistance wire in standard electric water heater elements with 20 Bitcoin mining chips, using the heat generated by the chips to directly heat the water in the tank. Heatbit stated that this electricity was originally intended for heating water, "the same heat, the same electricity, plus Bitcoin." The company claims that global households use approximately 300 TWh of electricity annually for heating water, which exceeds the entire Bitcoin network's consumption of about 170 TWh, advocating for the decentralization of mining to households.Bitwater uses 20 Bitmain BM1370 chips, with a maximum hash rate of 34 TH/s, a maximum power consumption of 600 watts, and an energy efficiency of 12 joules/TH. Due to water cooling, this element requires no fans and produces no noise. The installation process is DIY: turn off the circuit breaker, drain the tank, unscrew the old element, and then screw in the Bitwater using the included wrench. It is compatible with the one-inch standard interface of 30 to 80-gallon electric water heaters commonly found in the United States and Canada, including brands such as A. O. Smith, Rheem, Bradford White, Whirlpool, and GE, without the need for plumbing modifications or additional circuits.Users can check water temperature, hash rate, and earnings through an app, and choose to mine individually or join a mining pool, with mined Bitcoin sent to an address controlled by the user. The initial "genesis batch" pre-order price is $899, with subsequent batches priced up to $1,299, and pre-orders are refundable, with plans to ship in the first quarter of 2027. Heatbit claims to have tested the entire winter in four and five-person households in New York and Florida. Based on the current hash price of approximately $36.73/PH/s/day, the full load of 34 TH/s could mine Bitcoin worth about $1.25 per day, totaling approximately $455 annually.

first_img China's sellers: AI hardware may experience high volatility, rather than confirming a crash

Semiconductor analyst Jukan shares a commentary translated into English by him, authored by a salesperson from a local Chinese sell-side institution. The individual states: In mid to late September, hardware quickly transitioned into a downward wave, with China and South Korea adjusting first, experiencing deeper declines and longer durations, followed by Japan, Taiwan, and the semiconductor ETF SOXX weakening subsequently; there is significant divergence in the market regarding whether AI is entering a mid-cycle collapse, but there is less controversy about the industry still advancing.The individual summarizes the views of interviewed investors: High long-term interest rates in the U.S., capital expenditures beginning to rely on external financing and competing for funds in the market, multi-layered leverage accumulation, and tight funding are the main reasons for this round of decline, with companies like CoreWeave experiencing a noticeable deterioration in financing structure and cost burden. Model invocation prices are decreasing, but capital expenditures and supply chain costs are difficult to reduce quickly, making short-term investment returns hard to realize. ASML and TSMC's guidance this season is strong, but near-term pressures cannot be ruled out; the bullwhip effect and differences in value chain levels may cause volatility to be greater than expected.The individual also mentions that use cases beyond coding are emerging in scenarios such as SaaS and AI drug development, which may gradually alleviate investment return concerns and expand demand. His personal judgment: Before more evidence emerges, the current situation resembles a high-volatility phase rather than a collapse that has already begun; the decline may not yet be over, and hardware leadership may give way to applications. Even if control of both houses changes in the midterm elections, the impact may mainly be limited to constraints on certain data center projects, and the U.S. earnings season needs to verify the performance of large technology companies.

Ledger: Criminal gangs spent millions of dollars to carry out hardware implant attacks, which are part of local distribution channel attacks

Ledger released a report on the investigation of hardware implant attacks, stating that a highly organized criminal gang purchased genuine Ledger devices over several months, disassembled them, and implanted custom hidden components to steal users' recovery phrases when initializing the devices. They then resold the devices through Southeast Asian distributor channels.The attackers invested millions of dollars to build infrastructure for collecting recovery phrases, asset transfers, and money laundering, coordinating actions to transfer victims' assets. Ledger emphasized that this incident was not caused by vulnerabilities in the chip, operating system, or servers, but rather a localized distribution channel attack that occurred after the devices left the company's control. Currently, Ledger has requested authorized distributors and resellers in Southeast Asia and Hong Kong to suspend sales and conduct random checks on inventory and retail channel devices, finding no other tampered devices.Additionally, Ledger has requested authorized distributors not to resell any returned devices, even if the packaging is intact; they have also immediately prohibited displaying products on shelves or in display areas, requiring devices to be stored at the back of the store and delivered upon purchase. The company is working with law enforcement and the security community to track the stolen funds and will disclose more technical details in the future.

first_img Solana Mobile announced Ledger as the first hardware expansion partner

According to PR Newswire, Solana Mobile, the mobile business of the Solana ecosystem, announced at the Ledger Op3n 2026 event in Paris that the hardware wallet company Ledger has become its first hardware expansion partner. The Solana dApp Store and wallet will merge into the Seeker app and integrate with the new device Ledger Atom, which will be pre-installed on the device's home screen for users to access the Solana ecosystem. Pre-orders for Ledger Atom are now open.Ledger Atom is based on the Android open-source project and features a secure element running Ledger OS, with a protection level of EAL6+, displaying and touch control physically isolated from the Android system. Signing and approval are completed in secure mode, and the device includes tamper-proof and tamper-evident solutions, sold exclusively through the Ledger official website. The built-in app store currently has over 1,500 applications covering categories such as trading, payments, gaming, and AI. Existing Seeker users are unaffected, and developers can reach more devices with a single submission.This collaboration builds on Solana Mobile's opening of the Solana Mobile Stack to Android manufacturers at the World Mobile Communications Conference in March 2026. The SKR token is used to reward user participation, developer building, and hardware vendor integration. Seeker has a transaction volume exceeding $13 billion, with 154 million transactions and over 200,000 devices sold; the company shipped Saga in 2023 and will ship Seeker in 2025.
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