[ZcF-general] January udpate

[Dov Gordon]

**Project update for project #36: An alternative approach to analyzing 
anonymity in cryptocurrencies January Update: *

Tasks completed

-- We constructed a base 2-round protocol that supports n payments from 
n payors to n distinct recipients.

-- We found an appropriate noise distribution and sketched a proof that 
our protocol preserves differential privacy: neighboring transaction 
permutations look statistically similar under the noise generated in our 
protocol.


Issues to address

-- We haven’t considered malicious payors, or even payors that may abort.

-- We plan to explore methods to improve the performance of our base 
protocol at the expense of introducing additional rounds of 
communication. (With the base protocol, the ring signatures involve more 
mix-ins than desired.)

*
Foteini, Dov and Mayank.