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Introducing P4: Private Periodic Payment Protocol

Least Authority has recently designed a protocol called the Private Periodic Payment Protocol, or P4, which aims to define the way in which subscription services can be funded using end-to-end private cryptocurrency payments. P4 incorporates the use of Zcash shielded transactions for private payments and leverages the Tor anonymity network’s onion services to radically reduce the amount of personally identifiable information (PII) available to merchants. In addition, P4 introduces…

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Introduction to Mix Networks and Anonymous Communication Networks

Anonymous communication networks like the Tor network hide metadata from passive network observers. While the term ‘anonymous’ is used to mean many things, in this context we are speaking in terms of the inability of a network observer or attacker to link actions on a network with its participants [ANONTERMS]. Even

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Least Authority’s new comic explains Tahoe-LAFS based S4

Least Authority is excited to present a short comic which explains our Tahoe-LAFS based Simple Secure Storage Service (S4) with a simple narrative illustration. It demonstrates how our products/services provide a more secure alternative to popular online services. To learn more, read on. Special thanks to Sam Hester from The 23rd Story for her brilliant illustrations.

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Meet Fritz, the POLA bear: Our mascot.

Fritz on March 24, 2017 Hello, my name is Fritz, the POLA bear. I’m the mascot of Least Authority TFA GmbH, and this is my story. In November 2016 – at about the same time when Least Authority TFA GmbH was founded – a polar bear was born in the sprawling Tierpark

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Least Authority officially launches operations in Berlin, Germany

Anamika Ved on March 13, 2017 Press Release: Least Authority Enterprises, which makes products and services for secure online storage recently launched its operations in Berlin, Germany, by founding a new company, Least Authority TFA GmbH. Least Authority’s products are based on Tahoe-LAFS – the highly regarded open source, decentralized, encrypted file-storage

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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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