Neuro - Taxable Electronic Payments with Customer-Anonymity

56 Pages·2014·0.41 MB·English

Neuro - Taxable Electronic Payments with
Customer-Anonymity
Florian Dold, Benedikt Mu¨ller
DepartmentforComputerScience
TechnischeUniversita¨tMu¨nchen
June 12, 2014
Motivation
What we want.
Motivation
Where we want it.
Motivation
What we have.
Naming
Neuro
(cid:73) borrowed from Euro and new/network or possibly gNu
(cid:73) other awesome suggestions are welcome
Requirements
(cid:73) Customer anonymity
(cid:73) Unlinkability
(cid:73) Taxability
(cid:73) Verifiability
(cid:73) Ease of deployment
(cid:73) Green / low resource consumption
(cid:73) Macro- and micropayments
Requirements
(cid:73) Customer anonymity
It should not be possible to trace the spending behavior of
a customer.
(cid:73) Unlinkability
(cid:73) Taxability
(cid:73) Verifiability
(cid:73) Ease of deployment
(cid:73) Green / low resource consumption
(cid:73) Macro- and micropayments
Requirements
(cid:73) Customer anonymity
(cid:73) Unlinkability
It should be infeasible to link a set of transactions (even
aborted ones) to the same customer.
(cid:73) Taxability
(cid:73) Verifiability
(cid:73) Ease of deployment
(cid:73) Green / low resource consumption
(cid:73) Macro- and micropayments
Requirements
(cid:73) Customer anonymity
(cid:73) Unlinkability
(cid:73) Taxability
As it is the responsibility of the merchant to deduct taxes,
he should be fully auditable and non-anonymous.
Additionally it must not be possible to transfer cash illicitly
(i.e. evading audit).
(cid:73) Verifiability
(cid:73) Ease of deployment
(cid:73) Green / low resource consumption
(cid:73) Macro- and micropayments
Requirements
(cid:73) Customer anonymity
(cid:73) Unlinkability
(cid:73) Taxability
(cid:73) Verifiability
The trust necessary between the participants of the
system should be minimized.
Signaturesovercontractualinformationshouldbeavailable
in order to resolve disputes.
(cid:73) Ease of deployment
(cid:73) Green / low resource consumption
(cid:73) Macro- and micropayments