By Vivian Nguyen
Dec. 5, 2025
Key takeaways
– Eli Ben‑Sasson and Michael Saylor disagree over whether Bitcoin should adopt Zcash‑style privacy.
– Saylor warned that strong on‑chain privacy could give nation‑states a pretext to clamp down on Bitcoin.
Eli Ben‑Sasson, a co‑founder of privacy coin Zcash, said he recently recounted a conversation with Michael Saylor, the prominent Bitcoin advocate and co‑founder of Strategy (MicroStrategy), in which Saylor opposed adding Zcash‑style privacy capabilities to Bitcoin. According to Ben‑Sasson, Saylor’s objection was primarily regulatory: he argued that shielded, high‑privacy transactions could be used by nation‑states as justification to attempt shutdowns or to push for tougher regulation.
Zcash supports shielded transactions that can hide sender, receiver and amounts, a design that has attracted users seeking stronger confidentiality and has been described by some as a tool for protecting people under repressive regimes. Ben‑Sasson’s account of the exchange with Saylor underscores a persistent tension in the crypto world: developers and privacy advocates pushing for enhanced anonymity, versus investors and institutional promoters focused on maintaining legal and regulatory acceptance.
Strategy, where Saylor is a leading figure, has amassed a large Bitcoin position and Saylor has been vocal about broadening institutional adoption. His stance reflects a worry that introducing powerful on‑chain privacy features could intensify government scrutiny, prompt intervention attempts, and ultimately jeopardize Bitcoin’s mainstream growth.
The debate is not new but remains acute: proponents of privacy argue that stronger protections are essential for personal freedom and censorship resistance, while opponents worry those same protections could create political and regulatory backlash that harms the network and its adoption. The conversation between Ben‑Sasson and Saylor highlights those trade‑offs, and illustrates why the question of whether Bitcoin should integrate Zcash‑style privacy remains controversial within the ecosystem.