Grayscale is making a case for Zcash as the most credible challenger to Bitcoin’s dominance in the digital currency segment, arguing that a relatively small shift in market share could translate into outsized upside for the privacy-focused asset. In a March 18 research note, Zach Pandl, Grayscale’s Head of Research, frames the opportunity in stark terms. Bitcoin still accounts for roughly 90% of the “Currencies Crypto Sector,” a segment the firm estimates at $1. 6 trillion across fifteen assets