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Flash

first_img Samsung and SK Hynix strengthen their NAND base in China, advancing equipment investment before the end of the year

According to a report by ZDNet Korea, Samsung Electronics and SK Hynix plan to continue investing in equipment for NAND flash production lines in China until next year to strengthen local production bases. Since the first half of this year, Samsung has been advancing V9 NAND conversion investments at the Xi'an X2 production line, which features an advanced process with approximately 280 layers stacked, and is expected to achieve a monthly production capacity of 40,000 to 50,000 wafers. To stabilize mass production, the company has confirmed a supplementary investment plan, focusing on additional etching process equipment, with related procurement orders expected to be clarified around the end of the year, and the supplementary investment planned to be executed starting in the second half of next year.SK Hynix has been advancing equipment investments related to NAND product upgrades at its Dalian Plant 2 since the third quarter of this year, with a discussed scale of approximately 30,000 wafers per month. Key manufacturing equipment will begin arriving next month, with plans to complete deployment by the first half of next year. The Dalian plant is an asset acquired after SK Hynix took over Intel's NAND division in the second half of 2020. In 2022, a groundbreaking ceremony was held for the expansion of Plant 2, but equipment investment was temporarily halted due to market conditions; this investment is now being restarted.Industry insiders point out that the above arrangements aim to gradually expand advanced NAND capacity within China to meet the rapid growth in demand for high-end storage in fields such as artificial intelligence servers.

The United States accelerates the advancement of cryptocurrency regulation: Trump strongly promotes the CLARITY Act, while the SEC and CFTC synchronize their rule-making systems

This week, U.S. cryptocurrency policy has seen intensive progress. The Trump administration has pushed for new advancements in the CLARITY Act, the SEC has proposed a draft of regulatory rules for cryptocurrency assets for the first time, and the CFTC has stated that if congressional legislation stalls, it will promote the establishment of an independent regulatory framework for the cryptocurrency market. Trump met with leaders from several cryptocurrency companies at the White House this week and publicly called on Congress to pass a "fair version" of the CLARITY Act. Representatives from Coinbase, a16z, Ripple, Kraken, and other industry participants attended the meeting, focusing on the bill's impact on U.S. jobs, innovation, and attracting cryptocurrency companies back. Currently, the main obstacles to advancing the bill are concentrated on certain ethical clauses. Trump believes that the relevant provisions may target individuals, but industry insiders are pushing both sides to find a compromise to facilitate bipartisan support.CFTC Chairman Mike Selig stated that the CLARITY Act is key to avoiding regulatory uncertainty. If Congress continues to delay, the CFTC will use its existing authority to formulate regulatory rules for the cryptocurrency asset market. Meanwhile, the U.S. SEC has officially proposed a "Crypto Assets Rule Framework," planning to allow certain cryptocurrency financing to be exempt from full securities registration under specific conditions, including a cumulative financing cap of $5 million over four years or an annual limit of $75 million, and providing conditional safe harbor for certain token projects. Additionally, the SEC is considering limiting certain state securities registration requirements to provide a clearer compliance path for U.S. cryptocurrency companies. Market participants believe that recent actions by U.S. regulators indicate that Washington is shifting from a previous enforcement-based regulatory model to establishing a systematic regulatory framework for cryptocurrency assets.On the other hand, former Signature Bank Chairman Scott Shay has launched the N3XT Digital Dollar (NDD) digital dollar deposit project, attempting to challenge the stablecoin market. NDD operates on a public blockchain, enabling 24/7 dollar transfers, and is backed one-to-one by cash and short-term U.S. Treasury bonds. Shay stated that banks can leverage blockchain technology to create a payment system similar to stablecoins while maintaining the dollar credit advantage of the traditional financial system. The project is seen as a new attempt by banks to respond to the expansion of stablecoins. Additionally, the cryptocurrency investment market is entering a new cycle. Dragonfly partner Rob Hadick stated that although AI is attracting significant capital, cryptocurrency startup activity is still recovering, and future predictions of market, institutional applications, and improvements in U.S. regulation may drive new growth in the industry.

Coldcard releases new firmware to enhance security; affected users need to regenerate their mnemonic phrases and migrate their assets

Coldcard has released the latest firmware 5.6.1 (Mk4/Mk5) and 1.5.1Q (Q). This update is based on a three-week security review following an emergency fix, focusing on addressing the security risks posed by previous mnemonic phrase generation attacks. Each newly generated mnemonic phrase must include at least one user entropy source, such as irregular key presses at least 65 times, physical dice rolls 50 times, or physical coin tosses 128 times, combined with fresh entropy provided by STM32 TRNG, SE1, and SE2.The new firmware also adds pre-signing phased PSBT verification, strengthens USB connection and firmware update boundaries, improves Delta Mode isolation mechanisms, fixes active wallet backup issues, enhances random number generator initialization and fault checking, adjusts SIGHASH default settings, and includes multiple security and correctness improvements. Coldcard states that this update aims to further reduce the risk of the device being attacked.The official reminder is that updating the firmware cannot fix existing mnemonic phrases generated by previously affected firmware. If a user's mnemonic phrase falls within the scope of this security announcement, they should first update the device, then generate and verify a brand new mnemonic phrase, and migrate funds to the new wallet. Coldcard recommends that all Mk4, Mk5, and Q users update their devices promptly and verify the signatures of the downloaded firmware.
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