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Madars Virza

Research Scientist
Contact Information:
Groups
Project Research

Beware the Weak Sentinel: Making OpenCBDC Auditable without Compromising Privacy

Abstract: We propose, implement, and evaluate two extensions to OpenCBDC, an open-source transaction processor designed for central ba…
Project Research

Enhancing the Privacy of a Digital Pound

With the increase in electronic payments options, privacy considerations are becoming even more important and privacy concerns more prevale…
Project Research

Improving OpenCBDC resilience through smart contract runtime hardening and privacy-preserving limits

There are some security risks in PArSEC as is – namely, embedding a general-purpose language exposes the system and Lua smart contracts hav…
Project Research

Evaluating the Practical Privacy of Whirlpool CoinJoins

Bitcoin is the leading public permissionless digital currency. Bitcoin uses a public ledger to achieve strong security properties and doubl…
Project Research

A Trading Mechanism to Increase Intermediation Capacity in the Repo Market

The US Treasuries repo market is the largest financial market in the world. Trade volume is constrained by the interaction of accounting ru…
Project Research

Scaling Privacy Preserving Payments in a Centralized Digital Currency

This project is working on understanding and implementing privacy preserving payments in CBDC. After surveying privacy techniques from cryp…
Project Research

Privacy-Preserving Audits for OpenCBDC

Funded by a National Science Foundation EAGER GrantOpenCBDC raised the bar for CBDC performance and viability. In this subsequent work, we …
Project Research

PArSEC: Executing Smart Contracts in Parallel

Parallelized Architecture for Scalably Executing smart Contracts (PArSEC)AuthorsJames Lovejoy, Federal Reserve Bank of BostonAnders Brownwo…
Project Research

OpenCBDC

ResearchTechnical Paper | Executive Summary | GitHubAboutIntroductionOpenCBDC is an open source project to engage in co…