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a16z crypto:2026 年加密技术将从三方面走向更广泛应用
Xin Lang Cai Jing· 2026-01-09 12:32
(来源:吴说) a16z crypto 发文称,2026 年加密技术将从三方面走向更广泛应用:预测市场与 AI 深度融合、规模与智 能化提升;零知识证明成本下降,使"可验证云计算"成为可能,加密证明将扩展至区块链之外的通用计 算与云服务场景;"质押媒体(Staked Media)"兴起,创作者通过链上资产与可验证承诺提升内容可信 度。 ...
区块链钱包地址生成:加密技术原理深度拆解
Sou Hu Cai Jing· 2025-12-27 06:48
一切的起点是私钥的生成。私钥是由加密算法随机生成的一串 64 位十六进制字符串,本质是一个巨大的随机数,其生 成过程必须具备绝对随机性 —— 任何微小的规律或可预测性,都可能导致私钥被破解。主流钱包采用的是椭圆曲线加 密算法(ECC),通过特定的椭圆曲线方程生成私钥,确保私钥在海量可能性中独一无二,无法被暴力破解。 在区块链交易中,钱包地址是接收数字资产的核心标识,如同现实世界的银行账号。但很少有用户了解,这串看似随 机的字符背后,隐藏着严谨的加密技术逻辑。钱包地址并非凭空生成,而是通过多轮加密算法推导而来,其安全性直 接决定了数字资产的交易安全。本文将深入拆解钱包地址的生成流程,解析底层加密技术原理,让用户读懂地址背后 的安全密码。 区块链钱包地址的生成,核心依赖非对称加密算法,整个过程围绕 "私钥 - 公钥 - 地址" 的推导逻辑展开,且每一步都 具备不可逆性和唯一性,从技术层面保障资产安全。 值得注意的是,整个地址生成过程是完全离线的,无需连接网络。正规钱包在生成私钥、公钥和地址时,均在本地设 备完成,不会将任何关键信息上传至网络,从源头规避了被黑客窃取的风险。此外,地址的唯一性由私钥的唯一性决 定 — ...
区块链技术保障数字资产安全
Sou Hu Cai Jing· 2025-11-21 06:16
Core Insights - Digital assets have become an essential part of personal and corporate wealth, encompassing various forms such as cryptocurrencies, digital copyrights, game items, and identity credentials [1] - Blockchain technology is emerging as a critical foundation for securing digital assets due to its unique architecture [1] Group 1: Blockchain Technology - Blockchain is fundamentally a distributed ledger technology that offers decentralization, immutability, and transparency [3] - Traditional digital asset storage relies on centralized servers, which pose direct threats to user assets if attacked or altered [3] - Blockchain mitigates single point of failure risks by distributing data across multiple global nodes, each maintaining a complete copy of the ledger [3] - Hash algorithms and timestamp technology provide a "anti-counterfeiting label" for blockchain data, making unauthorized modifications nearly impossible [3] Group 2: Smart Contracts - The introduction of smart contracts enhances the automation and security of digital asset management [5] - Smart contracts are self-executing agreements based on blockchain, automatically fulfilling terms when preset conditions are met [5] - In digital copyright transactions, smart contracts can automate copyright verification, payment settlement, and rights distribution, ensuring transparency and immutability [5] Group 3: Security and Privacy - Blockchain's encryption technology establishes dual defenses for user asset privacy and access control [5] - Asymmetric encryption ensures that only asset owners can authorize access and transactions, protecting data even if intercepted during transmission [5] - Privacy-preserving technologies like zero-knowledge proofs allow users to complete identity verification and transaction authorization without revealing specific data [5] Group 4: Future Implications - Blockchain technology is reshaping the security ecosystem of digital assets, serving as both a technical tool and a trust mechanism [6] - As technology matures, blockchain will play a broader role in asset verification, circulation, and traceability, providing a solid security foundation for the digital economy [6] - Blockchain may become an "invisible guardian" of digital wealth, enabling individuals to create and trade confidently in the digital world [6]
Apple Won't Have to Provide an Encryption Backdoor in the UK, Says US Official
CNET· 2025-08-19 15:38
Group 1 - The US Director of National Intelligence announced that Apple will not be required to provide an encryption backdoor in the UK, alleviating concerns about privacy and security [1][2] - The UK had initially demanded that Apple provide access to iCloud data for both British citizens and citizens of other countries for criminal investigations [3] - Apple previously removed the Advanced Data Protection feature in the UK due to the government's demands, expressing disappointment with the UK's Home Office [4] Group 2 - Recent reports indicated that the UK was reconsidering its original demands and seeking a resolution [5] - The agreement reached is expected to protect Americans' private data and uphold constitutional rights and civil liberties [2]
微云全息(NASDAQ: HOLO)升级比特币 TrustBlock 验证器,筑牢数字资产交易安全防线在数字资产领域蓬勃
Cai Fu Zai Xian· 2025-08-05 02:10
Core Viewpoint - The digital asset trading market is experiencing explosive growth due to the rise of blockchain technology and the popularity of digital currencies, with Bitcoin being the most representative cryptocurrency. However, security challenges such as hacking, fraud, and transaction vulnerabilities pose significant risks to investors and users, making the protection of digital asset transactions a priority for the industry's sustainable development [1]. Group 1: Security Challenges and Solutions - The TrustBlock validator developed by MicroCloud Hologram (NASDAQ: HOLO) integrates advanced technologies to provide comprehensive security for digital asset transactions, addressing the urgent need for enhanced security measures in the industry [1]. - The TrustBlock validator employs high-strength asymmetric encryption algorithms to ensure the confidentiality and integrity of transaction data during transmission and storage, significantly reducing the risk of data breaches and tampering [2]. - Smart contract technology is utilized to automate and ensure transparency in transaction execution and verification, enhancing the accuracy and reliability of transactions by eliminating human intervention [2]. Group 2: Transaction Verification Process - When a Bitcoin transaction is initiated, the TrustBlock validator verifies the identity of the transaction initiator by comparing digital certificates and private keys, ensuring that the initiator is legitimate and authorized [3]. - The validator conducts a detailed analysis of the transaction, checking the transaction amount, recipient address, and input-output balance, while also using hashing algorithms to verify data integrity [3]. - Compliance checks are performed against preset rules and regulations, and for special cases like cross-border or large transactions, the validator interacts with regulatory bodies to ensure legality [3]. Group 3: Post-Transaction Monitoring and Enhancements - After transaction completion, the TrustBlock validator continues to monitor transactions for anomalies such as rollbacks and double-spending attacks, generating reports for users and regulators to identify potential security risks [4]. - The recent upgrade of the TrustBlock validator has significantly improved performance and functionality, enhancing transaction processing speed and security measures to effectively counter various cyber threats [4]. - The introduction of artificial intelligence and machine learning allows the validator to analyze transaction behaviors and predict potential security threats, shifting from passive defense to proactive alerts [4]. Group 4: Future Development and Collaboration - MicroCloud Hologram plans to continuously invest in R&D to optimize the TrustBlock validator's performance and expand its application scope, while collaborating with industry partners, regulatory bodies, and academic institutions to advance digital asset security technologies [6].
首个打开链上IPO通道的独角兽,Figma的审美独树硅谷
Hu Xiu· 2025-07-31 14:04
Group 1 - Figma is set to go public on July 31, with a focus on being one of the most anticipated tech IPOs of 2025, underwritten by top investment banks [1] - The company has been authorized to issue "Blockchain Common Stock," marking a first in the global market [2] - Figma's founder, Dylan Field, has a history of engaging with the crypto space, indicating a long-term belief in the technology [3][4] Group 2 - Dylan Field's unique approach to leadership contrasts with typical Silicon Valley founders, focusing on collaboration rather than personal branding [5][6][8][9] - His early experiences in theater influenced his understanding of teamwork and collaboration, which later shaped Figma's product philosophy [15][16][22] Group 3 - Figma's growth trajectory has been impressive, with revenue increasing from $700,000 in 2017 to $7.49 billion in the last year, reflecting a 48% year-over-year growth [53][56] - The company has a high gross margin of 91% and a net revenue retention rate of 132%, indicating strong product demand and pricing power [57] - Figma has over 450,000 enterprise customers, including major companies like Microsoft and Netflix, and its user base has expanded beyond designers to include product managers and developers [58][59] Group 4 - The upcoming IPO is expected to price shares between $25 and $28, with plans to issue approximately 12.5 million new shares, raising around $310 million [61] - Dylan Field plans to retain significant voting power post-IPO, indicating his commitment to Figma's future [62] - Figma's financial reserves include approximately $70 million in Bitcoin ETF, showcasing its innovative approach to capital management [63] Group 5 - Figma's decision to reserve the right to issue blockchain common stock signals a strategic move towards integrating digital assets into its capital structure [64][72] - This approach contrasts with other companies' tokenization strategies, emphasizing governance and shareholder rights [74][78] - The potential for a "chain-based IPO" could streamline the traditional IPO process, reducing costs and increasing market efficiency [76][79]
比特币创新高之际 加密资产管理公司Grayscale秘密提交在美IPO申请
智通财经网· 2025-07-15 03:03
Group 1 - Grayscale Investments LLC has submitted a confidential IPO application to the SEC, aiming to leverage capital markets for cryptocurrency-related offerings [1][2] - The company currently manages over $33 billion in assets and offers more than 30 investment products, having launched the first publicly traded Bitcoin and Ethereum funds [1][2] - Grayscale is known for its pivotal role in advocating for the approval of spot Bitcoin ETFs in the U.S., and it recently won a legal victory to convert its Bitcoin trust into the first direct Bitcoin ETF [2] Group 2 - The IPO application follows the recent confidential IPO submission by Gemini and the successful public listing of Circle, which has solidified the position of cryptocurrency in mainstream finance [2] - Grayscale's Bitcoin Trust ETF (GBTC) has been surpassed in asset size by BlackRock's iShares Bitcoin Trust ETF (IBIT), which has three times the assets of GBTC and a significantly lower management fee [3] - Bitcoin has recently reached record highs, surpassing $120,000, while the U.S. Congress is preparing to review important industry legislation during the upcoming "Crypto Week" [3]
小商品城拟申请中国香港TCSP牌照 “义支付”跨境金融业务升级
Zheng Quan Ri Bao Wang· 2025-06-19 12:45
Group 1 - The core point of the article is that Zhejiang China Commodity City Group Co., Ltd. is expanding its financial services by establishing offshore subsidiaries in Hong Kong to enhance its cross-border financial capabilities through its YiwuPay platform [1][2] - The company plans to invest HKD 50 million to set up a wholly-owned offshore subsidiary, and an additional HKD 10 million for another subsidiary to apply for the TCSP license, which will allow it to legally conduct trust and company services in Hong Kong [1] - YiwuPay has developed a global service network covering over 160 countries and regions, becoming a crucial financial infrastructure in China's foreign trade [2] Group 2 - YiwuPay has partnered with major banks to innovate its services, including the establishment of the first digital RMB B2B cross-border settlement platform and real-time settlement services between UAE Dirham and RMB [2] - The company has reported a significant increase in its cross-border collection volume, exceeding USD 4 billion in 2024, representing a 233% year-on-year growth, and a net profit of CNY 61.04 million, up 274.67% [2] - In addition to payment services, the company is also involved in credit information and factoring services, creating a comprehensive financial service system that supports cross-border financial business [3]
苹果迎来首家科技巨头声援,扎克伯格公司猛批英国“后门令”
Feng Huang Wang· 2025-06-11 23:46
Core Viewpoint - WhatsApp supports Apple in a legal challenge against the UK government regarding a "backdoor" request that could compromise user security and encryption [1][2] Group 1: Legal Challenge - WhatsApp has joined a legal challenge against the UK government's secret "backdoor" order, becoming the first tech giant to intervene in the case [1] - The UK Home Office issued a "Technical Capability Notice" (TCN) to Apple, demanding user data from its secure online backup service, leading Apple to halt its iCloud advanced data protection service in the UK [1] - Human rights organizations Privacy International and Liberty have also filed lawsuits against the UK government regarding the use of TCNs [1] Group 2: Encryption and Security - WhatsApp emphasizes the importance of end-to-end encryption, arguing that the backdoor request undermines the safety of UK citizens [1] - The company plans to challenge any legal or governmental requests that attempt to weaken its encryption mechanisms, asserting the right to private online conversations [2] - WhatsApp has not received any TCN but has indicated it may consider withdrawing from the UK market if the government attempts to compromise its encryption system [2] Group 3: Government's Position - A spokesperson for the UK Home Office stated that the specific powers under the TCN are used only in rare cases for serious crimes and are subject to independent oversight [2]
据日经新闻:日本金融监管机构希望国内银行采用新一代加密技术。
news flash· 2025-05-14 18:00
Core Viewpoint - Japanese financial regulators are encouraging domestic banks to adopt next-generation encryption technology [1] Group 1 - The initiative aims to enhance the security and efficiency of banking operations in Japan [1] - This move is part of a broader effort to modernize the financial sector and improve customer trust [1] - The adoption of advanced encryption technology is expected to mitigate risks associated with cyber threats [1]