Zcash Revival Sparks Debate on Bringing Privacy Back to Bitcoin

The crypto neighborhood on X has actually been controlled by popular figures promoting for the adoption of Zcash as personal privacy ends up being significantly threatened by federal governments and regulators.

While the Winklevoss twins, Naval Ravikant, and Balaji Srinivasan back the adoption of Zcash (ZEC), its success might stimulate the Bitcoin environment to promote more personal privacy functions by reviewing the reactivation of OP_CAT, according to Eli Ben-Sasson, creator of StarkWare and a popular mathematician who assisted leader zero-knowledge evidence.

Zcash was influenced by Bitcoin

In 2014, Ben-Sasson and his co-authors released “Zerocash: Decentralized Anonymous Payments from Bitcoin.”

The white paper was the conclusion of 6 years of theoretical work. From 2008, Ben-Sasson and his partners had actually been dealing with general-purpose zero-knowledge evidence innovation. While they didn’t have an usage case, they understood the innovation was exceptionally effective.

” We understood zero-knowledge evidence resolve 2 issues: scalability and personal privacy. They use stability. They generally can encourage you that the best thing has actually been done, even when you’re not enjoying and even when you do not in fact see all the information,” Ben-Sasson informed Cointelegraph’s Domino effect liveshow on X.

Whatever altered in 2013 when Ben-Sasson lectured on ZK at one of the earliest editions of the Bitcoin conference.

” I left the podium and a lot of really prominent Bitcoin OGs, like Greg Maxwell and Mike Hearn, showed up and stated, ‘OK, where’s the tech? When can we utilize the code?’ And I asked, ‘Why do you require it?'”

Related: Fact behind resurgence of privacy-focused procedure Zcash in 2025

These early Bitcoin (BTC) designers and supporters laid out numerous manner ins which Bitcoin might take advantage of the brand-new method. All of a sudden, ZK-proofs had actually discovered their killer usage case.

” So we worked really vigilantly on publishing something that shows how this innovation can resolve among the most crucial issues of blockchains, which is the truth that when you’re doing a Bitcoin deal, everybody can see the quantity, can basically find out who paid whom and just how much.”

This openness, while by style, indicates that there is an inevitable component of openness when utilizing Bitcoin. ZK-proofs use an option, however Bitcoin’s code does not permit their addition due to a choice made by Satoshi Nakamoto several years back.

Why OP_CAT holds the crucial to personal privacy on Bitcoin

Ben-Sasson stated that Bitcoin can still have native personal privacy and unlimited scalability if designers can consent to restore OP_CAT, a Satoshi-era OP_Code that Bitcoin’s developer handicapped in 2010.

He likewise kept in mind that Zcash’s renewal in 2025 might function as a possible driver for Bitcoin’s push for personal privacy.

” I hope that a person repercussion of this would be that the Bitcoin neighborhood ends up being more open up to things like OP_CAT and OP_STARK so that it can have post-quantum security, personal privacy, scale and programmability for this lovely tough possession that is Bitcoin,” Ben-Sasson stated.

” The innovation is prepared. All you require is a soft fork that includes 9 lines of code, which Satoshi in fact presented. It’s called OP_CAT. It’s really, really simple. If there’s a will, there’s a method. In this case, it’s an extremely easy method to offer all of that goodness to Bitcoin itself.”

Related: Leap Therapies rises 170% after $50M Zcash purchase with Winklevoss support

Popular Bitcoiners on social networks have actually mainly remained clear of the Zcash story, and there has yet to be any genuine discussion about methods to enhance personal privacy when utilizing Bitcoin for payments.

Cointelegraph likewise spoke specifically to Gemini co-founders Cameron and Tyler Winklevoss at Bitcoin Amsterdam, who discussed their belief in Zcash’s prospective to match Bitcoin.

The twins made headings after revealing the launch of Cypherpunk Technologies, a ZEC-based treasury business, following their acquisition and rebranding of Nasdaq-listed Leap Therapies in November.

Publication: 2026 is the year of practical personal privacy in crypto: Canton, Zcash and more