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ZEC $1,086.43 -10.68%
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AMZN $251.19 -3.14%
GOOGL $344.81 -3.24%
MSFT $532.23 -2.21%
META $729.27 -3.83%
NVDA $216.93 -4.11%
TSLA $361.75 -2.94%
SNDK $1,318.36 -7.45%
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SPCX $148.13 -4.30%
MU $870.83 -6.70%
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matic

Matic Network, now renamed Polygon, is an Ethereum scaling solution aimed at improving Ethereum's performance by providing scalable, low-cost transactions. Polygon utilizes sidechain technology and the Plasma framework to support fast, low-fee transaction processing while maintaining interoperability with the Ethereum mainnet. Its core features include support for multi-chain architecture, compatibility with the Ethereum Virtual Machine (EVM), and providing developer-friendly SDKs to help developers build high-performance decentralized applications (DApps). As the "Internet of Blockchains" for Ethereum, Polygon has significant influence in the decentralized finance (DeFi) and NFT sectors.
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Chainalysis: South Korea's cryptocurrency economy reached 449.1 billion USD, ranking first in East Asia, with AI token trading becoming the largest thematic sector

Chainalysis, in its "East Asia Cryptocurrency Adoption Report" released on October 5, stated that during the period from July 2025 to June 2026, overall cryptocurrency activity in East Asia has slightly contracted due to the global bear market, but significant differentiation has emerged within the region: South Korea remains the largest retail trading center, Hong Kong is becoming a hub for institutional fund settlement, Japanese users are accelerating their shift towards DEX and perpetual contracts, while the peer-to-peer use of stablecoins in mainland China continues to expand.The report estimates that South Korea's cryptocurrency economy will reach $449.1 billion during the same period, a 12.3% increase from the previous cycle, maintaining its position as the leader in East Asia; Japan, Hong Kong, mainland China, and Taiwan are at $228.3 billion, $192.2 billion, $176.3 billion, and $140.4 billion, respectively. The growth in South Korea is mainly driven by increased capital flows related to trading platforms, with the report stating that the local trading platform ecosystem has added approximately $51.1 billion in new traffic.The most notable change in the South Korean market comes from AI token trading. Chainalysis noted that by June 2026, AI-related cryptocurrency assets have become the largest thematic sector in won trading, surpassing the popularity of payment tokens like XRP. The report recorded that Worldcoin (WLD) achieved a trading volume of $7.41 billion during the observation period, with SAHARA, VIRTUAL, BIO, and NEAR also becoming active varieties. AI token trading priced in won accounts for about 19.5 times that of the yen market, indicating that South Korean retail investors are extending their AI investment preferences from the domestic stock market to the cryptocurrency market.However, institutional funds in South Korea are still in the preparation stage. The report points out that local banks and brokerages have generally formed digital asset teams and are promoting stablecoin, custody, and tokenization pilots, but direct corporate participation in cryptocurrency investment has not yet reached scale. If the cryptocurrency asset income tax planned for implementation in South Korea in 2027 is realized as scheduled, and corporate trading restrictions continue to be relaxed, the retail-dominated landscape of the South Korean market may face reevaluation.

first_img OpenAI claims to have solved over 100 long-standing open problems in the majority of mathematical fields

OpenAI announced the establishment of an independent advisory group on mathematics and artificial intelligence in collaboration with mathematicians, hosted by the Institute for Advanced Study in Princeton. OpenAI stated that its new internal model, which began training on August 28, has solved the Navier-Stokes Millennium Prize Problem and addressed over 100 long-standing open problems in most areas of mathematics, with progress that surprised its internal mathematicians.The group will provide advice on the review and dissemination of emerging results, academic and professional standards in mathematical research, and how OpenAI tools can support mathematical research and learning. Initial members include François Charles, Camillo De Lellis, Timothy Gowers, Martin Hairer, Nikhil Srivastava, Ulrike Tillmann, Ravi Vakil, Edward Witten, and Melanie Matchett Wood.The group operates independently of OpenAI, and members are not compensated by OpenAI; they can proactively provide advice, comment on its impact on mathematics, and make public recommendations. Previously, mathematicians expressed concerns in an open letter titled "A Severe Misalignment of AI in Mathematics" regarding the use of solving open problems as a benchmark for AI. The group is not responsible for providing advice on the pace of OpenAI's internal mathematical progress.

first_img Justin Sun: Establish the Justin Sun Prize to reward mathematically verified proofs

The founder of TRON, Justin Sun, announced the establishment of the "Justin Sun Award," which currently focuses only on mathematics. He stated that the award follows the problem rather than the individual, with no annual meeting, nominations, or age restrictions; each problem has two columns for signatures, one for the prover and one for the person who formalizes the proof and writes it into the machine. Both can be the same person, or they can be a person, AI, or a person using AI. The condition for triggering the prize is that the machine verifies the proof from the first line to the last line without error. Once verification is passed, the names in the two columns become the prize owners for that problem.The rules also include: before machine verification, if the mathematical community has accepted a human proof, it can be listed first, with the prize remaining unchanged, and the status being "Proven, awaiting formalization." The prize in the proof column is only awarded to problems that are solved after being listed; for problems that were already solved at the time of listing, the prover is still credited, but the prize is only awarded to the person who completes the formalization, not retroactively for the history of mathematics. The list of problems is determined by Justin Sun's signature for the listed problems and pricing; once listed, the price can only increase, and money can only be exchanged, not refunded. Mistakes in the problems will still be paid, and they will be re-listed afterward; beyond pricing, verification, payment, and naming, he does not participate in voting.Justin Sun stated that the focus of public welfare will shift to this award, with the initial prize pool already deposited into the blockchain, with the address and balance made public. He only retains the right to continue injecting funds; the award proof and prize distribution will also be made public on the chain. He mentioned that naming it after a person is to avoid name changes due to institutional changes and expressed that wealth comes from mathematics, hoping to "come from mathematics and return to mathematics."
2026-09-16

Coldcard has suspended the automatic deletion of customer data due to a security incident and will retain relevant records in accordance with the law

The cryptocurrency hardware wallet manufacturer Coldcard has released an update on its customer data retention policy. Due to legal compliance requirements arising from the security incident disclosed on July 30, the company has temporarily suspended its original automatic customer data deletion mechanism.Previously, Coldcard's standard practice was to automatically clear customer records after 120 days, retaining only the user's email address and country information, while allowing customers to request early deletion of data at any time after product delivery. Coldcard stated that due to the security incident involving ongoing and potential legal proceedings, the company is obligated to retain records that may be relevant to litigation. Therefore, customer data that was originally scheduled for deletion will be temporarily retained until the law permits the resumption of normal processes.However, users can still request Coldcard to handle their personal information according to the original data retention policy. If users wish for their data not to be included in this legal retention scope, they can contact official customer service to make a request. Coldcard emphasizes that the retained data will be strictly protected, accessible only to authorized personnel, and will not be used for any purposes other than fulfilling legal obligations. The company will restore the previous automatic data deletion mechanism once legally permissible.
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