3 papers
cs.CR2023
Increasing the Efficiency of Cryptoasset Investigations by Connecting the Cases
Bernhard Haslhofer, Christiane Hanslbauer, Michael Fröwis +1
Law enforcement agencies are confronted with a rapidly growing number of cryptoasset-related cases, often redundantly investigating the same cases without mutual knowledge or share…
cs.CR2019
The Operational Cost of Ethereum Airdrops
Michael Fröwis, Rainer Böhme
Efficient transfers to many recipients present a host of issues on Ethereum. First, accounts are identified by long and incompressible constants. Second, these constants have to be…
cs.CR2018
Detecting Token Systems on Ethereum
Michael Fröwis, Andreas Fuchs, Rainer Böhme
We propose and compare two approaches to identify smart contracts as token systems by analyzing their public bytecode. The first approach symbolically executes the code in order to…