It’s been nearly three months since Edward Snowden started telling the world about the National Security Agency’s mass surveillance of global communications. The integrity of Bitcoin depends on a hash function called SHA-256, which was designed by the NSA and published by the National Institute for Standards and Technology (NIST) Bitcoin has been added in the watchlist of the New York Department of Financial Services, the California Department of. Financial Institutions and U.S. Government is asking all intelligence agencies for information on how it plans to deal with Bitcoin.
Source: https://thehackernews.com/2013/09/NSA-backdoor-bitcoin-encryption-sha256-snowden.html