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Privacy-Preserving Compliance on Public Ledgers via Selective Disclosure Authorization Schemes
Supriya Khadka, Sanchari Das
Public distributed ledgers enforce integrity through radical transparency, creating tension with data minimization principles required for regulatory compliance. While Zero-Knowled…
Towards a Risk-Cost Model for Financial Adaptive Authentication
Supriya Khadka, Sanchari Das
Authentication in financial systems remains a uniquely high-stakes security challenge, where even marginal increases in false acceptance can result in catastrophic monetary loss. E…
Grant, Verify, Revoke: A User-Centric Pattern for Blockchain Compliance
Supriya Khadka, Sanchari Das
In decentralized web applications, users face an inherent conflict between public verifiability and personal privacy. To participate in regulated on-chain services, users must curr…
Poster: Privacy-Preserving Compliance Checks on Ethereum via Selective Disclosure
Supriya Khadka, Dhiman Goswami, Sanchari Das
Digital identity verification often forces a privacy trade-off, where users must disclose sensitive personal data to prove simple eligibility criteria. As blockchain applications i…