Lavabit was an encrypted email service founded in 2004 by Ladar Levison. It gained significant attention in 2013 when it was revealed that the service had been used by whistleblower Edward Snowden to communicate securely. In August 2013, shortly after the Snowden revelations, Lavabit shut down its operations rather than comply with a court order that required it to hand over its users' encryption keys and other data.
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