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Privacy Technologies for Bitcoin

By the Zerocash Team, Greg Maxwell, and Least Authority Introduction The world still needs Zerocash even though we now have Confidential Transactions. A message from Zooko Wilcox-O’Hearn: At Least Authority, our mission is to bring verifiable end-to-end security to every user of the Internet. As a part of this mission, we are working on something

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A Bug in libsnark

Zooko Wilcox-O’Hearn, Alessandro Chiesa, Eli Ben-Sasson, Eran Tromer, Madars Virza on May 16, 2015 A statement from Least Authority Zooko Wilcox-O’Hearn writing: About us At Least Authority, some of the security audits that we’ve performed on behalf of others, and here is a contest we organized for others to find security flaws in our

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BLAKE2: “Harder, Better, Faster, Stronger” Than MD5

Zooko Wilcox-O’Hearn on March 21, 2014 Best read while listening to Daft Punk: Harder, Better, Faster, Stronger Why use BLAKE2 instead of Skein, Keccak (SHA-3), MD5, or SHA-1 as a secure hash function? BLAKE was the best-rated hash function in the SHA-3 competition NIST, in the final report of the SHA-3 competition, said this about

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Least Authority Joins Open Invention Network

Karen Rustad on November 6, 2013 Least Authority Enterprises has joined the ranks of the licensees of the Open Invention Network! Open Invention Network maintains a royalty-free patent pool that anyone who agrees to never assert patent claims against the Linux kernel can use. This both gives Linux a retaliatory weapon against future patent trolls

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LAFS Summit Next Week in San Francisco: Nov 11-13

The next LAFS summit starts next Monday, November 11! When: Monday 11-Nov-2013 (afternoon only) Tuesday 12-Nov 2013 (all day) Wednesday 13-Nov-2013 (all day) Where: The Mozilla SF Office, 2 Harrison (at Embarcadero) Who: at least Brian and Daira, plus everyone else who can make it We’ll have drinks and snacks, wifi, and an

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LAFS Featured on EFF Tech Blog

Karen Rustad on November 6, 2013 The Electronic Frontier Foundation’s tech blog has some lovely things to say about LAFS at S4. Snippet: Tahoe’s protections against third-party snooping and deletion have the kind of strong mathematical guarantees that reassure security experts that Tahoe-LAFS is well-defended against certain kinds of attack. That

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S4 on LinuxBSDos.com

Karen Rustad on August 19, 2013 Yesterday LinuxBSDos.com featured S4 and LAFS in an article on secure, distributed cloud storage. We had a bit of a quibble with the article’s first line, though: Looking for a solution to give you an edge in the ongoing struggle between you and the authorities over

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