In criminal inquiries today, digital evidence plays a pivotal role. The integration of advanced prove has ended up significant. This integration presents a problem: defending confidentiality yet upholding defendant’s rights and privacy. This article aims to explore the inventive application of Zero-Knowledge Proofs to address this challenge, examining their specialized instruments and benefits in criminal advanced investigations. It also reviews practical, ethical issues, and developing prospects within the justice system. The contribution provides perceptions into the changing landscape of electronic evidence, and advancing prospects of utilizing Zero-Knowledge Proofs inside the equity framework and respecting both law requirement needs and defendant’s fair trial rights. So, recognizing the reflective ethical implications associated with the use of Zero-Knowledge Proofs in criminal investigations holds implication for legal proceedings ‘future’.