18 citations · 50 across the 9 of their papers we have counts for
10 papers
Dude, where's my NFT? Distributed Infrastructures for Digital Art
Leonhard Balduf, Martin Florian, Björn Scheuermann
We explore issues relating to the storage of digital art, based on an empirical investigation into the storage of audiovisual data referenced by non-fungible tokens (NFTs). We iden…
Analysis of Arbitrary Content on Blockchain-Based Systems using BigQuery
Marcel Gregoriadis, Robert Muth, Martin Florian
Blockchain-based systems have gained immense popularity as enablers of independent asset transfers and smart contract functionality. They have also, since as early as the first Bit…
Crawling the MobileCoin Quorum System
Charmaine Ndolo, Sebastian Henningsen, Martin Florian
We continuously crawl the young MobileCoin network, uncovering the quorum configurations of core nodes and the quorum system resulting from these configurations. This report discus…
Monitoring Data Requests in Decentralized Data Storage Systems: A Case Study of IPFS
Leonhard Balduf, Sebastian Henningsen, Martin Florian +2
Decentralized data storage systems like the Interplanetary Filesystem (IPFS) are becoming increasingly popular, e. g., as a data layer in blockchain applications and for sharing co…
Collaborative Deanonymization
Patrik Keller, Martin Florian, Rainer Böhme
Privacy-seeking cryptocurrency users rely on anonymization techniques like CoinJoin and ring transactions. By using such technologies benign users potentially provide anonymity to…
Mapping the Interplanetary Filesystem
Sebastian Henningsen, Martin Florian, Sebastian Rust +1
The Interplanetary Filesystem (IPFS) is a distributed data storage service frequently used by blockchain applications and for sharing content in a censorship-resistant manner. Data…
The Sum of Its Parts: Analysis of Federated Byzantine Agreement Systems
Martin Florian, Sebastian Henningsen, Charmaine Ndolo +1
Federated Byzantine Agreement Systems (FBASs) are a fascinating new paradigm in the context of consensus protocols. Originally proposed for powering the Stellar payment network, FB…
Eclipsing Ethereum Peers with False Friends
Sebastian Henningsen, Daniel Teunis, Martin Florian +1
Ethereum is a decentralized Blockchain system that supports the execution of Turing-complete smart contracts. Although the security of the Ethereum ecosystem has been studied in th…
Monetary Stabilization in Cryptocurrencies - Design Approaches and Open Questions
Ingolf G. A. Pernice, Sebastian Henningsen, Roman Proskalovich +3
The price volatility of cryptocurrencies is often cited as a major hindrance to their wide-scale adoption. Consequently, during the last two years, multiple so called stablecoins h…
Erasing Data from Blockchain Nodes
Martin Florian, Sophie Beaucamp, Sebastian Henningsen +1
It is a common narrative that blockchains are immutable and so it is technically impossible to erase data stored on them. For legal and ethical reasons, however, individuals and or…