zcon0-workshop-notes/privacy-metrics.md

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# Privacy Metrics
2018.06.26 14:10-15:10 - Brad Miller and Eirik Ogilvie-Wigley
https://beta.z.cash/metrics/
We could look at https://metrics.torproject.org/ for inspiration
Also https://zcha.in/statistics/usage
Self-auditing tools to check your privacy score
Add an option to randomize the time at which a transaction is sent
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What can benefit the Zcash community to fully adopt Z-addresses?
Coming up with metrics
Shielded transaction: Z address to Z address. The only thing that is exposed is the transaction fee.
Run ZCash on TOR to be safe from leaking IP information.
Point 1:
User interface to enhance the perception of shielded address
Point 2:
Institutions prefer T-addresses due to technical reasons, it's cheap computationally. Without institutions supporting Z-addresses it'll be too hard to get it off the ground.
Point 3:
Business analytics (understanding adoption) and metrics on how the network operates and what the community actually wants/needs.
Ideas for metrics:
IP address linkability
Fee linkability
Linkability via peer preference through transactions entering the mempool
Ideas for improving privacy:
Privacy score: giving users a privacy score in their wallet (gamifying UX - give people a bad score if they are doing something wrong)