[Busec] STARTING NOW: Thu, March 23, 10:30am : Ale Chiesa micropays anonymously

Ran Canetti canetti at bu.edu
Thu Mar 23 10:31:45 EDT 2017

On 3/22/2017 2:41 PM, Ran Canetti wrote:
> Thursday, March 23
> 10:30am
> Alessandro Chiesa: Decentralized Anonymous Micropayments
> WhenThu, March 23, 10:30am – 12:00pm
> WhereMCS 180 (Hariri) (map 
> <https://maps.google.com/maps?hl=en&q=MCS%20180%20%28Hariri%29>)
> 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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