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first_img Acala and Karura plan to stop block production on February 10, 2027

Polkadot ecosystem DeFi network Acala stated that after seven years of development, Acala and its sister network Karura located in Kusama are entering the final phase. Under the premise that Acala's referendum No. 195 and Karura's referendum No. 137 are passed, both networks will cease operations on February 10, 2027. After this date, Acala and Karura will no longer produce new blocks.Users need to withdraw DOT, KSM, and assets bridged from other chains, such as USDT and USDC, from Acala and Karura before February 10, 2027. LDOT unbonding requires 28 days and must be initiated before January 12, 2027; if LDOT is locked with a validator, an additional 28 days is needed for unlocking, which must be completed before December 16, 2026. LKSM unbonding requires 7 days and must be initiated before February 2, 2027.ACA and KAR are the native tokens of the two networks and cannot be withdrawn; they will remain on their respective chains. For external assets that have not been withdrawn before the deadline, the team will return them as much as possible; as a last resort, recoverable assets can be returned to the same account's address on the Polkadot or Kusama Asset Hub, but not all assets can be returned in this way. Acala was founded by Bryan, Ruitao, and Bette, who initially developed the synthetic assets and margin trading project Laminar, and later, at the invitation of the Web3 Foundation, built the Polkadot ecosystem stablecoin, evolving into Acala.

first_img The Samsung etching process formula has been exposed to have flowed multiple times to the Lam Research Korea company

According to the South Korean semiconductor media THE ELEC, the etching process formula used by Samsung Electronics for semiconductor manufacturing has been reported to flow to the equipment supplier Lam Semiconductor's Korean company. An internal investigation by Samsung found that data transmission beyond authorized limits had occurred multiple times and regarded this matter as a serious technology leak incident. Lam Semiconductor is the equipment supplier for Samsung's semiconductor production line, primarily providing etching and deposition equipment.Data generated during equipment operation is stored in systems such as internal monitoring servers within the factory. According to the agreement between both parties, Lam Semiconductor can obtain some equipment data within a limited scope for performance optimization and maintenance, and its Korean company submits data requests to Samsung. Samsung's investigation revealed that some unauthorized process formulas were transmitted to Lam's Korean company in the form of independent documents, with the related transmissions originating from non-compliant requests, not being a one-time occurrence. Samsung discovered this issue in the second half of this year.The semiconductor process formula records key parameters such as equipment temperature, chamber pressure, gas flow, and processing duration, which directly affect chip yield, performance, and production stability, and are considered core technical data of wafer manufacturing enterprises. Lam Semiconductor's Korean company announced on November 6 that Kim Tae-won would replace Park Jun-hong as CEO. Some industry insiders have linked this leadership change to the data leak incident, but there is currently no public information proving a direct relationship between the two. Neither Samsung Electronics nor Lam Semiconductor's Korean company has responded to inquiries from THE ELEC.

BIT Securities launches a dollar-cost averaging feature for U.S. stocks, further improving the diversified investment ecosystem

BIT Securities announced the launch of a dollar-cost averaging feature for U.S. stocks starting today, covering all stocks and ETFs in the U.S. market. Users only need to set the investment amount (starting from a minimum of US$10) and the period (daily, weekly, or monthly), and the system will automatically buy according to the plan without the need to place manual orders each time. Users can activate the plan with one click when viewing individual stock details or the "Assets" page, and can adjust, pause, or terminate it at any time; additionally, the dollar-cost averaging plan can also choose to use margin funds for purchases.Compared to a one-time investment, dollar-cost averaging spreads the investment over different time points, helping to average out the holding costs and reduce timing pressure.Currently, BIT Securities supports trading in U.S. and Hong Kong stocks, and covers various investment methods including U.S. stock options, margin trading, and stock dollar-cost averaging. Elio Cui, the head of BIT Securities, stated: "We always hope that users with different investment styles can find suitable tools at BIT. The essence of dollar-cost averaging is long-term investment, which aligns with the group's long-termism philosophy. We hope to accompany users in combating volatility with discipline and growing together with quality assets."BIT Securities is also launching new user benefits: new account holders can enjoy commission-free trading for U.S. stocks, a US$100 platform fee rebate card, and a real-time market data card, with tasks completed earning rewards worth up to US$320; a transfer incentive campaign is also ongoing, with rewards worth up to US$300. Details of the activities are subject to BIT's official announcements.Risk Warning: Dollar-cost averaging does not guarantee profits and is not necessarily superior to other investment methods. Investors should formulate investment plans based on their own financial situation and risk tolerance.

The Zama spin-off project Raycash has launched on the Ethereum mainnet and entered the private testing phase

According to The Block, the stablecoin payment startup Raycash, spun off from the privacy protocol Zama, has launched on the Ethereum mainnet and is currently in the private testing phase. Raycash stated that over 75,000 people had joined the waiting list before the launch, and access will be opened in batches during the private testing period, followed by a full launch.Raycash is built on the Zama protocol and employs fully homomorphic encryption technology to encrypt on-chain balances and transaction amounts. Users can wrap stablecoins 1:1 into tokens under the ERC-7984 confidential token standard for payments and receipts, and earn yields through Morpho, with amounts and balances kept private; the underlying stablecoins can be retrieved through permissionless unwrapping. Initially, the application supports USDC and allows for bank transfers, credit card or stablecoin deposits, and withdrawals to bank accounts, with Ethereum Gas fees handled by the platform in the background, so users do not need to hold ETH.Raycash stated that its wallet is a self-custodial wallet, and confidential tokens do not have freezing or confiscation capabilities at the token level, allowing users to grant viewing permissions to specific parties such as accounting and auditing institutions. Additionally, the Raycard for privacy consumption is under development.
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