[liberationtech] Tomorrow, Friday, December 4 -- Arvind Narayanan: Securing Bitcoin wallets via threshold signatures

[Yosem Companys]

From: David Wu <dwu4 at cs.stanford.edu>

     Securing Bitcoin wallets via threshold signatures

                      Arvind Narayanan

                  Friday, December 4, 2015
                       Talk at 4:15pm
                         Gates 463

Abstract:

The Bitcoin ecosystem has suffered frequent thefts and losses
affecting both businesses and individuals. Due to the irreversibility,
automation, and pseudonymity of transactions, Bitcoin currently lacks
support for the sophisticated internal control systems deployed by
modern businesses to deter fraud.

To address this problem, we present the first threshold signature
scheme compatible with Bitcoin’s ECDSA signatures and show how
distributed Bitcoin wallets can be built using this primitive. For
businesses, we show how our distributed wallets can be used to
eliminate single points of failure in flow of bitcoins through
the system. For individuals, we design, implement, and evaluate a
two-factor secure Bitcoin wallet.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.stanford.edu/pipermail/liberationtech/attachments/20151203/b28d7735/attachment.html>