5 papers
Decentralized Proof-of-Location for Content Provenance: Towards Capture-Time Authenticity
Eduardo Brito, Fernando Castillo, Amnir Hadachi +2
Reliable use of real-world data requires confidence that recorded evidence reflects what actually occurred at the moment of capture. In adversarial or incentive-misaligned cyber-ph…
Towards Trusted Service Monitoring: Verifiable Service Level Agreements
Fernando Castillo, Eduardo Brito, Sebastian Werner +2
Service Level Agreement (SLA) monitoring in service-oriented environments suffers from inherent trust conflicts when providers self-report metrics, creating incentives to underrepo…
Privacy-Preserving On-chain Permissioning for KYC-Compliant Decentralized Applications
Fabian Piper, Karl Wolf, Jonathan Heiss
Decentralized applications (dApps) in Decentralized Finance (DeFi) face a fundamental tension between regulatory compliance requirements like Know Your Customer (KYC) and maintaini…
Trusted Compute Units: A Framework for Chained Verifiable Computations
Fernando Castillo, Jonathan Heiss, Sebastian Werner +1
Blockchain and distributed ledger technologies (DLTs) facilitate decentralized computations across trust boundaries. However, ensuring complex computations with low gas fees and co…
Advocate -- Trustworthy Evidence in Cloud Systems
Sebastian Werner, Sepideh Masoudi, Fernando Castillo +2
The rapid evolution of cloud-native applications, characterized by dynamic, interconnected services, presents significant challenges for maintaining trustworthy and auditable syste…