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According to the security agency Blockaid's monitoring, X100 on Ethereum has been attacked. As of their alert at 22:49, the attack is still ongoing, and two transactions have siphoned off approximately 4.85 million USDT.Blockaid stated that an attacker seized two of the project's three "Senate" (governance seats) and sold 400,000 X tokens from the treasury into a liquidity pool they created themselves. Subsequently, another attacker destroyed the Uniswap V3 liquidity position held by the "Freezer" contract. Blockaid has released the relevant attack addresses and example transactions.

Bitcoin infrastructure company Blockstream announced the launch of consulting services for financial institutions and established an office in Lugano, Switzerland. This business enables banks, asset management institutions, and others to directly connect with Blockstream's engineering team and Bitcoin infrastructure. Blockstream Consulting Services will assist institutions in assessing, designing, and implementing Bitcoin-based financial infrastructure, as well as developing related solutions such as tokenized asset issuance and confidential settlements, covering areas such as technology strategy, system architecture, integration, and implementation.Blockstream stated that the Lugano office will serve Swiss clients, including those in Zurich, Geneva, and Zug, and will act as its European business hub, supporting client relationships, strategic partnerships, and collaboration with local financial and technology communities. The company's Chief Marketing Officer Peter Bain stated that Switzerland has a long-standing banking tradition and a regulatory framework supporting digital assets, making it an important market for Blockstream; the company aims to provide local expertise in markets where it sees demand for Bitcoin infrastructure, and the consulting business along with the Lugano office will bring customized Bitcoin solutions to European financial institutions.Founded in 2014, Blockstream's business covers Bitcoin custody, settlement, payments, asset issuance, and self-custody, with products including the sidechain Liquid Network, Elements, Simplicity, Core Lightning, Jade hardware wallet, and Blockstream App. The company has launched Simplicity smart contracts on the Liquid network and added Lightning Network support for the Jade hardware wallet. Co-founder and CEO Adam Back stated that the next phase of Bitcoin adoption is to integrate into the existing financial system, and the company's experience in Bitcoin cryptography, protocol development, and engineering can address the related complexities. This announcement did not disclose the pricing of the consulting services, the size of the Lugano office's staff, or the names of clients.

According to Israeli media i24, Israeli Prime Minister Benjamin Netanyahu is seeking to develop a blockchain-based plan to address potential financial sanctions that Israel may face in the future. Currently, the specific details and implementation plan of the relevant proposal have not been disclosed.

According to Bitcoin Magazine, payment company Block has launched its first Bitcoin advertising campaign aimed at the general consumer, titled "Bitcoin Does," targeting approximately 60 million American users who are curious about Bitcoin but have yet to take the first step. The campaign is led by Maria Pesce, Block's head of Bitcoin marketing, who is responsible for Bitcoin-related marketing across three business lines: Cash App, Square, and Proto.Maria Pesce stated that the advertisements intentionally skip over the science of mining and blockchain principles, directly showcasing how Bitcoin can be used in real-life scenarios. She mentioned that the related creative ideas came from customer research: one Square merchant referred to Bitcoin as "a more honest currency," while topics such as inflation, relief, and private equity formed the narrative backdrop of the advertisement films. Additionally, fixed supply, self-custody, and the choices of younger users are also key points of communication.Block also set up an interactive installation called "Lightning Lake" at the ComplexCon event, where participants could fish for Bitcoin and complete payments through the Lightning Network. Square currently charges a 0% processing fee for Bitcoin transactions, and Block hopes to make the experience of using Bitcoin as commonplace as sending an email.

On October 23, the Central Cybersecurity and Informatization Commission issued the "National Informatization 14th Five-Year Plan." The plan proposes that by 2030, significant progress will be made in our country's informatization, with its role in promoting Chinese-style modernization becoming more prominent. The information infrastructure will consolidate and expand its leading advantages, a three-dimensional network system encompassing land, sea, air, and space will be basically formed, a new generation of communication networks will be fully established, the commercial use of the sixth generation of mobile communication (6G) will be launched in a timely manner, and the national blockchain network will be basically established, with intelligent internet development accelerating.The plan also states that the innovation capability of cybersecurity technology will be significantly enhanced, the technological innovation system will be more complete, and breakthroughs will be achieved in key core technologies in key areas. The cybersecurity industry ecosystem will prosper and develop, with deep integration of digital technology and the real economy, and the comprehensive strength of cybersecurity enterprises will be significantly enhanced. The level of digital, networked, and intelligent applications in economic and social development will reach a new level, empowering economic and social development and significantly improving governance capabilities. Cybersecurity guarantees will be solid and powerful, the legal and regulatory standards system will be more complete, and the concept of a community with a shared future in cyberspace will be deeply rooted in people's hearts.

Israeli Prime Minister Netanyahu has instructed the Israel Defense Forces and security forces to immediately besiege the city of Hebron and prepare for a comprehensive lockdown of the entire Judea and Samaria region starting today.

a16z Frontier founding partner Chris Dixon stated that early Web2 platforms were built on fragile tacit agreements: independent creators, bloggers, news media, and community volunteers contributed high-quality content for free, while platforms provided traffic distribution, audience accumulation, and commercial revenue opportunities.He pointed out that after forming a monopoly through network effects, platforms continuously tightened algorithms, forcing creators to pay for traffic. With the advent of the generative AI era, large model companies collect long-accumulated content from the entire internet through crawlers and directly provide answers in search and Q&A interfaces, no longer diverting traffic to the original websites, thus severing the economic cycle of independent creators.Dixon believes that if this trend continues, high-quality original content may be depleted, and the internet could be flooded with low-quality machine-generated content. He proposed that verifiable data ownership could be established through blockchain protocols, allowing data calls, reasoning, and training to be traceable and automatically receive economic returns. Reshaping this contract is one of the important missions of the Frontier fund.

The United States Central Command stated that today marks the 100th day of the U.S. military's restoration of the "Iron Wall" maritime blockade against Iran. This action has prevented Iran from exporting at least $25 billion worth of crude oil and has limited the ability of the Iranian Islamic Revolutionary Guard Corps to fund proxy militias, criminal networks, and terrorism. Apart from the humanitarian aid permitted by U.S. forces, Iran has not conducted any exports or imports by sea.

The Blockchain Association stated that it has sent a letter to the leadership of both the House and Senate, urging Congress to advance prudent, bipartisan digital asset tax legislation, and launched TaxClarityforAmerica.com for the public to understand the principles, view congressional progress, and contact legislators.The association noted that approximately 67 million Americans hold and use digital assets, but the current tax system is outdated, leading to uncertainty for taxpayers, excessive compliance burdens, and forcing innovation to move overseas.Its "Digital Asset Tax Principles" include: a meaningful small exemption; taxation of mining and staking rewards as newly created property upon disposal; reporting arrangements that protect taxpayer privacy; tax compliance based on economic substance rather than technical form; and wash sale rules that do not penalize everyday activities while preventing abuse.The association also stated that the House Ways and Means Committee had previously advanced legislation related to digital asset taxation, and Senator Steve Daines has also introduced a Senate version. Congress is in recess until after the elections on November 3, and there remains a legislative window during the short session.

According to The Block, in response to market rumors about Visa possibly acquiring the cryptocurrency custody company Fireblocks, a spokesperson for Fireblocks stated, "We have noted the rumors regarding Visa potentially acquiring Fireblocks. This is the first time we have heard of this matter, and it does not appear to be true at this time."

According to monitoring by Blockaid, the WAX multi-chain bridge on the WAX network is under attack, involving WAX, Solana, and Ethereum. The attackers extracted mapped tokens on the WAX chain without paying the corresponding assets, while the bridging contracts on Solana and Ethereum still released the corresponding tokens.The attackers transferred approximately 52,986 USDC, 21,558 USDT, 840 DAI, 2.55 WETH, and 0.11 WBTC through 5 transactions. It remains to be further confirmed whether the scope of the incident and the losses are still expanding.

According to Axios, Visa is in talks to acquire the cryptocurrency asset custody infrastructure company Fireblocks, with a deal valuation of approximately $2.5 billion. If the deal is finalized, it will further expand Visa's presence in the digital asset custody and blockchain payment infrastructure sectors.Currently, this news is pending further confirmation, and the specific terms and progress of the acquisition negotiations have not been disclosed.

According to Cointelegraph, Coinbase's European policy director Katie Harries wrote that the proposed cryptocurrency asset regulatory rules by the UK's Financial Conduct Authority (FCA) may require regulated platforms to execute customer orders only on trading venues authorized by the FCA, thereby restricting users' access to decentralized finance (DeFi) protocols through compliant platforms.Since decentralized protocols typically do not have entities that can apply for regulatory authorization, the relevant rules may lead to regulated platforms being unable to provide DeFi access services, effectively creating a ban. The related cryptocurrency regulatory system is expected to be implemented starting October 25, 2027.

According to The Information, a16z will remove "Crypto" from the name of its flagship blockchain fund, renaming it to "a16z Frontier," and will shift its focus to other investment areas; the fund's first founding member will also be leaving.

The blockchain infrastructure layer Espresso announced the completion of its mainnet upgrade. Benchmark tests show that its data throughput reaches 181 MB/s, which translates to approximately 1 million stablecoin transfers per second, based on an average of 180 bytes per transaction.The average final confirmation time for transactions is 337 milliseconds, and under peak load of 1 million transactions per second, it is 778 milliseconds.

The Shanghai Financial Regulatory Bureau issued "Several Measures to Promote the High-Quality Development of Digital Finance in Shanghai's Banking and Insurance Industries," proposing to steadily expand supply chain financial services using technologies such as big data and blockchain.The measures propose to standardize the development of accounts receivable financing, supply chain bill financing, warehouse receipt pledge financing, order financing, and other products, while continuously deepening the insurance service layout for advanced manufacturing, enhancing comprehensive risk protection capabilities.

According to the United States Patent and Trademark Office (USPTO), a patent from Samsung Electronics titled "Electronic Devices and Their Operating Methods Providing Blockchain Service" was officially granted on October 20.This technology allows electronic devices to identify nearby devices that support blockchain services through wireless signals, establish peer-to-peer connections, and select the device with the most recent data to complete blockchain synchronization by comparing the latest block heights stored on each device. This patent can reduce network traffic and energy consumption when devices synchronize block data.

The privacy coin project Pirate Chain has released a mandatory update v6.14, requiring all nodes, mining pools, and exchanges to discontinue the old version and upgrade immediately. Attackers exploited two validation vulnerabilities to mint approximately 39.82 million counterfeit ARRR in the transparent coinbase pool, temporarily increasing the supply by about 20%. Both vulnerabilities have been fixed.After reaching a consensus among the community, mining pools, exchanges, and dPoW notarization nodes, the chain has been rolled back to block 4,176,944 before the attack, and all counterfeit tokens have been removed. Balances have been restored to their state before the attack, with the maximum supply remaining at 200 million coins. The new version will automatically re-index the entire chain upon its first launch, and a complete technical review report will be released later.

According to GMGN market data, the Meme coin Kimchi on the Solana chain continued to decline after a rapid surge to a market value of 40 million USD yesterday, currently reported at 21.51 million USD, with a drop of over 50% from its peak. The top address for this token invested 144,000 USD at a market value of 33.7 million USD and has now incurred an unrealized loss of over 50,000 USD.Previously, it was reported that this token was inspired by the influencer trader Kimchi (@kimchi1x), who currently holds 75.32% of the total supply of this Meme coin. ChainCatcher reminds users that Meme coins generally have no practical use cases and exhibit significant price volatility, so investment should be approached with caution.

According to token unlock data from the crypto asset data platform RootData, Hyperliquid (HYPE) will unlock approximately 9.92 million tokens at 7:00 AM Beijing time on October 29, with a value of about 785 million USD.