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Hal Finney dies at 58; software developer and privacy activist
Hal Finney dies at 58; software developer and privacy activist

Software developer Hal Finney was a privacy activist — he was a key developer of PGP, the world's most-used encryption program for email, and he made crucial refinements to bitcoin digital currency. But Finney was hardly secretive or reclusive. His phone number was listed, his address known to many friends. And last year he openly discussed his struggle with amyotrophic lateral sclerosis, also known as Lou Gehrig's disease. At that point he was essentially paralyzed and communicated by using a device that tracked eye movements. "I'm pretty lucky overall. Even with the ALS, my life is very satisfying," he wrote on a bitcoin forum. "I'm...

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