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Grayscale: The various sectors of cryptocurrency are gradually decoupling from Bitcoin's trend, with volatility generally higher than that of Bitcoin

According to a report by Crypto Briefing, Grayscale's research indicates that the correlation between crypto assets and Bitcoin is decreasing, with Bitcoin currently explaining only about 50% of the return volatility across various crypto sectors.The report breaks down the annualized volatility and the impact of Bitcoin-related factors by sector: the annualized volatility of the currency sector is 49%, with 43% attributed to Bitcoin; the annualized volatility of the smart contract platform sector is 58%, with 38% attributed to Bitcoin; the annualized volatility of the finance sector is 59%, with 30% attributed to Bitcoin; the annualized volatility of the utilities and services sector is 67%, with 30% attributed to Bitcoin; the annualized volatility of the consumer and culture sector is 76%, with 46% attributed to Bitcoin; the artificial intelligence sector has the highest annualized volatility at 85%, with only 35% attributed to Bitcoin.The research points out that Bitcoin's own annualized volatility has recently been around 43%, while the volatility of all sectors tracked by Grayscale is higher than that of Bitcoin. The report suggests that lower correlation does not imply lower risk, but the fact that Bitcoin explains only half of the return volatility means that the other half is driven by factors specific to each sector, providing investors with a reference for assessing which sectors can offer true diversification.

first_img The MultiversX Supernova upgrade will decouple consensus from execution, with the mainnet expected to activate on September 10

The Supernova upgrade of MultiversX decouples consensus from execution, allowing the network to reach consensus on blocks before processing transactions. Before the upgrade, block production followed a sequential model: proposers selected transactions, executed them locally, and submitted blocks containing the results, while validators had to re-execute the same transactions before voting, making execution part of the consensus critical path. Supernova changes this order: proposers select transactions and directly propose blocks without prior execution; validators can immediately vote once they confirm the proposal complies with protocol rules, while execution occurs asynchronously in the background, with execution results typically referenced and notarized in the next block header, lagging consensus by about one block (approximately 600 milliseconds).To address the validity verification issues brought by decoupling, Supernova introduces a virtual memory pool state that tracks pending nonces, expected balance consumption, and transactions that have been proposed but whose execution results have not yet reached consensus, providing proposers with a forward-looking account view. Meanwhile, the Execution-Result Inclusion Estimator (EIE) limits the number of execution results that can be referenced in a block based on the capacity that the minimum specification node can safely handle; an automatic backpressure mechanism reduces block capacity when execution lags. Supernova has been producing 600-millisecond blocks on the testnet and devnet since August 20, with the mainnet expected to activate on September 10, 2026.

Marvell launches AI "memory decoupling" architecture to address the bandwidth bottleneck of Agentic AI inference

According to official news, Marvell Technology announced the launch of a new generation of memory solution portfolio for AI infrastructure, covering server-level AI storage, rack-level CXL memory expansion and pooling, as well as multi-rack optical interconnect shared memory, aimed at addressing the growing memory capacity and bandwidth bottlenecks in Agentic AI inference processes.Marvell stated that as AI model sizes increase, context windows extend, and KV Cache demand grows, traditional tightly coupled architectures of computing and memory are limiting AI inference efficiency. Through memory disaggregation, memory resources can be made more independent of computing resource expansion, improving GPU utilization and reducing data movement latency. The products released include:Bravera SC6 PCIe 6.0 SSD controller: Designed for AI inference storage scenarios, it helps cloud service providers migrate more KV Cache to high-performance SSDs, enhancing infrastructure efficiency. This product features an architecture compatible with multi-vendor NAND and is expected to begin sampling in the fourth quarter of 2026.Marvell Structera X memory expansion solution: Based on CXL technology, it supports rack-level memory expansion and resource pooling, helping data centers share and allocate memory resources more flexibly, reducing AI infrastructure costs.Marvell Photonic Fabric optical interconnect memory solution: Constructs a shared memory architecture across multiple racks using optical interconnect technology, supporting up to 32TB warm KV Cache offloading and helping AI inference clusters enhance throughput capacity.Marvell stated that the Photonic Fabric solution can achieve a 2 to 3 times increase in Token throughput under existing data center space and power consumption constraints, supporting larger scale models and longer context AI applications.Marvell executive Will Chu stated that AI infrastructure is transitioning from a single server architecture to a system where computing, memory, and connectivity operate in synergy, and in the future, memory needs to expand more independently to enhance resource utilization and Token efficiency.As the demand for AI Agents and large model inference continues to grow, memory capacity, bandwidth, and data transfer efficiency are becoming new focal points of competition in AI infrastructure, following computing power.
2026-08-04

first_img Bloomberg: The growth of the cryptocurrency industry is decoupling from Bitcoin prices, with institutions focusing on long-term infrastructure and practical use cases

According to Bloomberg, Bitcoin fell below $60,000 last week, with a market value evaporating by about $235 billion within seven days, nearly halving from last year's peak. The market value of altcoins has shrunk from a peak of $431 billion in November 2021 to about $170 billion, with less than 1,700 of the tens of millions of tokens created in recent years still having substantial trading activity. However, in stark contrast to the price trends, the most commercially valuable businesses in the crypto industry are accelerating growth.The annual trading volume of stablecoins reached about $390 billion, with total trading volume soaring 72% to $33 trillion by 2025. Over $30 billion in assets have been tokenized, and BlackRock's tokenized money market fund BUIDL has an asset size of $2.4 billion. Visa and Mastercard are expanding stablecoin settlement capabilities, and Nasdaq is collaborating with Kraken to offer tokenized stocks.Bloomberg Intelligence's Mike McGlone stated that the most important technology is stablecoins; when you have stablecoins, you don't need XRP or Bitcoin to store value. We are experiencing a cleansing, and this has only just begun. EMJ Capital founder Eric Jackson pointed out that "the Bitcoin price chart used to be the entire crypto story, but it is no longer."
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