What is Multi-Party Computation?
Brief
What is Multi-Party Computation?
Illustration: Jordan Warne / Privacy Guides
We know how to secure data in storage using E2EE , but is it possible to ensure data privacy even while processing it server-side? This is the first in a series of articles I'll be writing covering the privacy-enhancing technologies being rolled out.
History
In a seminal paper called "Mental Poker" by Adi Shamir, Ronald L. Rivest, and Leonard M. Adleman from 1979, the researchers attempt to demonstrate a way of playing poker over a distance using only messages and still have it be a fair game.
To explain, fan favorites Alice and Bob will make a return. First, Bob encrypts all the cards with his key, then sends them to Alice. Alice picks five to deal back to Bob as his hand, then encrypts five with her own key and sends those to Bob as well.