Watch / P4: Private Periodic Payments Protocol

P4: Private Periodic Payments Protocol

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P4: Private Periodic Payments Protocol

Duration: 00:23:15

Speaker: Liz Steininger

Type: Talk

Expertise: Intermediate

Event: Devcon 4

Date: Oct 2018

P4 aims to solve the problem of subscription services offering end-to-end private cryptocurrency payments. This protocol introduces periodicity to cryptocurrency payments through an ongoing relationship between the merchant and the customer without unintentionally disclosing personally identifiable information. We are creating this protocol to allow us to offer a truely end-to-end private subscription data storage solution built with Tahoe-LAFS. By sharing it, we hope that other subscription services will implement our protocol and further the adoption of cryptocurrency payments in real world retail use cases. Although this protocol is currently a work in progress, we have already specified some design decisions. For periodicity, we are avoiding a payment pre-authorization design to keep the user in control of their keys. And for privacy we are utilizing Zcash shielded transactions and the coming improvements in the Sapling release. This protocol is being created by the Least Authority team with support from the Zcash team.



About the speakers


Liz Steininger

CEO / Managing Director

Liz Steininger is the CEO/Managing Director of Least Authority in Berlin, a company supporting people’s right to privacy through security consulting and building secure solutions. Prior, she managed financing for Internet freedom projects at the Open Technology Fund. Liz has over 16 years of experience as a Project Manager, Program Manager and Analyst on numerous tech development projects in both private companies and public organizations. She holds an M.S. in Management & Technology from Carlow University (2007) and B.S. in Digital Media from Drexel University (2001) in the United States of America.

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