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Crypo-Ledgers 101 Presentation Slides

Terms like Bitcoin, blockchain, and mining are entering the mainstream — but to the unacquainted, it can be hard to know where to start. How does it all work? On October 18, 2017, CDT fellow and political economist Benjamin Dean discussed the basics of crypto-ledgers, cryptocurrencies, and the associated policy issues. His presentation is available here.

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Coalition Letter Opposing DHS Social Media Retention

A coalition of civil liberties organizations, including CDT, wrote to the Department of Homeland Security to express concerns with the DHS System of Records Notice, issued on September 18, 2017 that states that DHS will now store social media information in ‘Alien Files’, which include the official record of an individual’s visa and immigration history. Alien registration numbers, and their related A-File, are assigned to people who plan to make the United States their home, and also to certain categories of non-immigrants who are granted employment authorization.

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Statement on Government Use of Algorithmic Decision-Making Tools to New York City Council Committee on Technology

The City of New York has an obligation to understand, scrutinize, and explain how its algorithms make decisions affecting New Yorkers. At minimum, the city should ensure and demonstrate to the public that NYC’s algorithmic decision-making tools (1) are aligned with the city’s policy goals and the public interest; (2) work as intended; (3) do not use data to marginalize minority or vulnerable populations and exacerbate inequality; (4) provide meaningful transparency to New Yorkers so that they can appeal and seek remedy for automated decisions that are incorrect, unjust, or contrary to law.

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Coalition Letter Calling for Improvements to USA Liberty Act

CDT and dozens of other digital rights groups released a letter calling on Congress to improve the USA Liberty Act by closing the backdoor search loophole that the bill leavers open. Using this loophole, the US government searches the communications content of US persons without obtaining a warrant. It does this by combing through the millions of communications it seizes every year under the authority Congress gave it in Section 702 of FISA to conduct surveillance of foreigners outside the U.S.

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Summary of Meeting with the Digital Agenda Intergroup of the European Parliament

On 6 September 2017, the Digital Agenda Intergroup of the European Parliament and CDT held a closed roundtable on removing illegal content online while protecting human rights. This is a summary of the debate held under Chatham House rules. The event focused on challenges to existing intermediary liability limitations, and free expression, from the DSM Copyright Directive Art. 13, as well as the need for consistent and harmonized notice and action procedures across the EU.

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Letter to Congress Re: FISA Section 702 Reauthorization – What We Know Now

The undersigned civil rights, civil liberties, privacy, and government oversight organizations write to urge you to vote “no” on reauthorization of Section 702 of the Foreign Intelligence Surveillance Act if it is not significantly reformed. While Congress had little information on how this program worked when it last voted on this law in 2012, the new disclosures we describe below underscore the need for amendments to better protect privacy and civil liberties.

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