[Busec] TOMORROW: Thu, March 23, 10:30am : Ale Chiesa micropays anonymously
canetti at bu.edu
Wed Mar 22 14:41:59 EDT 2017
Thursday, March 23
Alessandro Chiesa: Decentralized Anonymous Micropayments
WhenThu, March 23, 10:30am – 12:00pm
WhereMCS 180 (Hariri) (map
DescriptionAbstract: Micropayments are payments that are worth a few
pennies. A challenge in achieving them is that payment networks charge
fees that are high compared to “micro” sums of money. Wheeler (1996) and
Rivest (1997) proposed probabilistic payments as a technique to achieve
micropayments: a merchant receives a macro-value payment with a given
probability so that, in expectation, he receives a micro-value payment.
Despite much research and trial deployment, micropayment schemes have
not seen adoption. The adoption of decentralized currencies such as
Bitcoin (2009) and Zcash (2016) suggests that decentralized micropayment
schemes are easier to deploy. I will talk about a new construction of
decentralized anonymous micropayment schemes, which enable parties with
access to a ledger to conduct offline probabilistic payments with one
another, directly and privately.
Early lunch to follow.
BUsec Calendar: http://www.bu.edu/cs/busec/ <http://www.bu.edu/cs/busec/>
The busec seminar gratefully acknowledges the support of BU's Center for
Reliable Information Systems and Cyber Security (RISCS).
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