3 papers
cs.CR2019
Bootstrapping a stable computation token
Jason Teutsch, Sami Mäkelä, Surya Bakshi
We outline a token model for Truebit, a retrofitting, blockchain enhancement which enables secure, community-based computation. The model addresses the challenge of stable task pri…
cs.CR2018
TxProbe: Discovering Bitcoin's Network Topology Using Orphan Transactions
Sergi Delgado-Segura, Surya Bakshi, Cristina Pérez-Solà +4
Bitcoin relies on a peer-to-peer overlay network to broadcast transactions and blocks. From the viewpoint of network measurement, we would like to observe this topology so we can c…
cs.CR2018
Dandelion++: Lightweight Cryptocurrency Networking with Formal Anonymity Guarantees
Giulia Fanti, Shaileshh Bojja Venkatakrishnan, Surya Bakshi +4
Recent work has demonstrated significant anonymity vulnerabilities in Bitcoin's networking stack. In particular, the current mechanism for broadcasting Bitcoin transactions allows…