4th Workshop on Bitcoin and Blockchain Research

In association with Financial Crypto 2017
April 7, 2017
The Palace Hotel
Malta

Preliminary schedule

This schedule is subject to change


8:55Opening remarks

Session 1: Applications

9:00-10:30
Constant-deposit multiparty lotteries on Bitcoin
Massimo Bartoletti and Robert Zunino
Cup of TEE: Payment Channels utilizing paired Trusted Execution Environments
Joshua David Lind, Ittay Eyal, Peter Pietzuch and Emin Gün Sirer
An analysis of Bitcoin OP_RETURN metadata
Massimo Bartoletti and Livio Pompianu


10:30Coffee break

Session 2: Short Talks

11:00-12:30
Could Network Information Facilitate Address Clustering in Bitcoin?
Till Neudecker and Hannes Hartenstein
Exchange Pattern Mining in the Bitcoin Transaction Directed Hypergraph
Stephen Ranshous, Cliff Joslyn, Sean Kreyling, Kathleen Nowak, Nagiza F. Samatova, Curtis L. West and Samuel Winters
Incentivizing Double-Spend Collusion in Bitcoin
Kevin Liao and Jonathan Katz
Smart Contracts Make Bitcoin Mining Pools Vulnerable
Yaron Velner, Loi Luu and Jason Teutsch
PieceWork: Generalized Outsourcing Control for Proofs of Work
Philip Daian, Emin Gün Sirer, Ittay Eyal and Ari Juels
Enhancing Bitcoin Transactions with Covenants
Russel O'Connor and Marta Piekarska


12:30Lunch

Session 3: Confidential Transactions

14:00-15:30
Mixing Confidential Transactions: Comprehensive Transaction Privacy for Bitcoin
Tim Ruffing and Pedro Moreno-Sanchez
Confidential Assets
Andrew Poelstra, Adam Back, Mark Friendenbach, Greg Maxwell, and Pieter Wiulle
Switch Commitments: A Safety Switch for Confidential Transactions
Tim Ruffing and Giulio Malavolta


15:30Tea break

Session 4: Game Theory

16:00-17:00
Mixing Coins of Different Quality: A Game-Theoretic Approach
Svetlana Abramova, Pascal Schöttle and Rainer Böhme
Decentralized Prediction Market without Arbiters
Iddo Bentov, Alex Mizrahi and Meni Rosenfeld