Luke Dashjr

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Event July 30, 2011 Added April 29, 2026 Updated July 29, 2026 Article

Dan Kaminsky's Len Sassaman tribute embedded in the Bitcoin blockchain

After Len Sassaman's death (July 3, 2011), security researcher Dan Kaminsky embedded an ASCII-art tribute into the Bitcoin blockchain, announced July 30 and revealed at Black Hat USA 2011.