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【国际】美国国土安全部盯上门罗币,想追踪其交易动向

据bitcoin.com 12月4日报道,美国国土安全部(DHS)在新发布的2019年预征求文件中讨论称,若隐私币被用于犯罪活动,该机构想对其进行跟踪和取证分析。

在这封27页的信函中,该组织解释说,希望将资源用于创建可以分析隐私币流通动向的区块链取证应用工具。在此之前该机构已经解决了比特币交易的分析处理,现在将监控目标转向了门罗币、zcash等隐私币

这封信函是DHS已提交的有关其小企业创新研究计划的提案,涵盖网络安全、通信、物联网、传感器和区块链技术等主题。DHS解释说,分布式账本技术(DLT)在未来可能会用于商业和政府领域,但其中一些区块链包含不利于追踪的匿名和交易混淆技术。

01

分3个阶段追踪

DHS表示,隐私功能虽然是可取的,但存在一些个人和组织有意将这些资金用于非法活动的情况。因而创建专门分析隐私币交易动向的区块链取证应用工具很有必要,该机构希望通过以下三个阶段来缓解这些问题。

第一阶段是让研究人员和程序员为执法机构设计一个区块链分析生态系统,或者为这一目标修改现有的DLT分析工具。新工具必须能够为门罗币、zcash等隐私币提供专门的监视系统。

第二阶段是针对“没有外部数据、有外部数据和别的区块链平台上的可疑交易”,开发一个可以显示和分析的区块链监控系统。

最后,第三阶段将包括对商业和政府级区块链监测应用程序的推出。

该征集信第21页写道:

该区块链取证分析工具将为DHS、以及州和地方的执法安全行动提供帮助。私人金融机构同样也可以从‘了解你的客户’和反洗钱合规方面受益。

这封征集信强调,目前起草的提案并没有完全确定,最终版本可能会在12月19日正式公布。该提案表明了执法部门要想跟踪这些交易动向,必须加快跟上区块链技术的发展步伐。

英文原文

The U.S. Department of Homeland Security (DHS) has published its 2019 fiscal year pre-solicitation document. Throughout the 27-page letter, the organization explains that it wants to dedicate resources toward creating blockchain forensic applications that can analyze privacy-centric digital asset movements. Prior efforts have addressed bitcoin analytics and now the agency wants surveillance tools for cryptocurrencies like monero and zcash.

01

DHS: ‘US Law Enforcement Agencies Need Blockchain Forensic Tools for Privacy Coins’

The DHS has submitted a proposal for its Small Business Innovation Research program, which also incorporates its Science and Technology platform. The document covers subjects like cybersecurity, communications, the Internet of Things (IoT), sensors, and blockchain technology. The DHS agency explains that Distributed Ledger Technology (DLT) will likely be leveraged for commercial and government applications in the future, but some of these blockchains allow for unfavorable methods of anonymity and transaction obfuscation.

“This proposal seeks applications of blockchain forensic analytics for newer cryptocurrencies, such as Zcash and Monero,” the solicitation letter reads.

The DHS document continues:   

Ongoing research within the field also contributes to new technological implementations and techniques that continue to multiply the specific types of consensus, privacy, security, and proof mechanisms.02

Tackling Cryptocurrency Anonymity in Three Phases

The agency further details that while privacy features are desirable, there is an interest for some individuals and organizations to use these funds for actions of an “illegal nature.” These illicit acts bolster the need for forensic analysis on blockchain transactions that exercise anonymity tactics. The DHS proposal explains that the agency wants to mitigate these issues by following three phases. The first phase is for researchers and programmers to design a blockchain analysis ecosystem for law enforcement agencies, or to modify an existing DLT analysis tool for this purpose. The new tool must be able to provide surveillance architecture specifically for privacy currencies such as monero and zcash.

The second phase is to develop a blockchain monitoring prototype that can be demonstrated and that involves the analysis of “suspicious transactions without external data, with external data, and on another blockchain platform.” Lastly, the third phase will include the rollout of commercial and government-grade blockchain surveillance applications.  

“Blockchain forensic analytics for the homeland security enterprise can help the DHS law enforcement and security operations across components as well as state and local law enforcement operations,” states page 21 of the DHS solicitation letter. “Private financial institutions can likewise benefit from such capabilities in enforcing “know your customer” and anti-money laundering compliance.”

03

The Importance of Blockchain Transaction R&D

The DHS has been investigating blockchain and cryptocurrency activities for quite some time as this is not the first instance of the agency looking to stop anonymous cryptocurrency transactions. Back in April of 2016, the DHS created a taskforcein order to identify unlicensed bitcoin exchangers. Moreover, the DHS and a myriad of other U.S.-based three letter agencies have been arresting money launderers using cryptocurrencies. Even those selling digital assets using peer-to-peer marketplaces like Localbitcoins have been apprehended by the department. The group has also funded many blockchain startups with millions of dollars for research and development (R&D) over the years.

The solicitation letter emphasized that the current drafted proposal is not set in stone and will likely be officially published on Dec. 19. The blockchain and DLT section of the proposal details that law enforcement needs to speed up when it comes to forensic analysis and blockchain transaction R&D. “This analysis can be approached in any number of ways and may consider different data situation use cases depending on whether additional data from offchain sources are available,” the letter’s cryptocurrency section concludes.




作者:Jamie Redman 
编译:Melody
稿源(译):巴比特资讯

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