187 citations · 253 across the 8 of their papers we have counts for
4 papers · 1 filter
Fraud and Data Availability Proofs: Maximising Light Client Security and Scaling Blockchains with Dishonest Majorities
Mustafa Al-Bassam, Alberto Sonnino, Vitalik Buterin
Light clients, also known as Simple Payment Verification (SPV) clients, are nodes which only download a small portion of the data in a blockchain, and use indirect means to verify…
Airtnt: Fair Exchange Payment for Outsourced Secure Enclave Computations
Mustafa Al-Bassam, Alberto Sonnino, Michał Król +1
We present Airtnt, a novel scheme that enables users with CPUs that support Trusted Execution Environments (TEEs) and remote attestation to rent out computing time on secure enclav…
VAMS: Verifiable Auditing of Access to Confidential Data
Alexander Hicks, Vasilios Mavroudis, Mustafa Al-Bassam +2
We propose VAMS, a system that enables transparency for audits of access to data requests without compromising the privacy of parties in the system. VAMS supports audits on an aggr…
Coconut: Threshold Issuance Selective Disclosure Credentials with Applications to Distributed Ledgers
Alberto Sonnino, Mustafa Al-Bassam, Shehar Bano +2
Coconut is a novel selective disclosure credential scheme supporting distributed threshold issuance, public and private attributes, re-randomization, and multiple unlinkable select…