Kirchhoff Law Johnson noise key generation for secure decentralized identifiers

Scientific Reports 2026 Open access

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Authors: Kamalesh Mohanasundar, Sarah A. Flanery, Srujan Kotikela, Christiana Chamon
DOI: 10.1038/s41598-025-34403-7
Cited by: 0
References: 112

Abstract

This paper experimentally integrates an existing Kirchhoff-Law-Johnson-Noise (KLJN) physical key exchange scheme as a source of truly random keys for decentralized identifiers (DIDs). Web 3.0 is driven by secure keys, typically represented in hexadecimal, that are pseudo-randomly generated by an initialization vector and complex computational algorithms. We demonstrate that the statistical physical KLJN scheme eliminates the additional computational power by naturally generating physically random binary keys to drive the creation of DIDs that are appended to an Ethereum blockchain.

Fields of Study & Subjects

Advanced Statistical Modeling Techniques Wireless Communication Security Techniques Physical Unclonable Functions (PUFs) and Hardware Security

Publication details

Journal / source
Scientific Reports
Volume
16
Issue
1
Pages
4434–4434
Publication date
8 January 2026
Language
EN