Foundry Digital Grabs 29% of Zcash Hashrate in a Month—Growth or Centralization Crisis?

Foundry Digital has charged into the Zcash (ZEC) mining space, seizing an astonishing 29% of the network’s hashrate in just one month since launching its dedicated pool in April 2026. This explosive growth, rivaling ViaBTC’s long-held 30% dominance, highlights a surge of institutional interest in a leading privacy coin, but it also casts a dark shadow over the risks of centralization in a ecosystem founded on distributed power.

• Hashrate Power Play: Foundry claimed ~29% of Zcash’s hashrate in 30 days, nearly matching ViaBTC’s 30% share.
• Network Expansion: Zcash hashrate rocketed from 8.1 GSol/s to 13.8 GSol/s since September 2025.
• Centralization Threat: Two pools now hold almost 60% of Zcash’s computational strength, raising serious security concerns.

Foundry’s Lightning-Fast Entry into Zcash Mining

No sugarcoating here: Foundry Digital, a powerhouse already dominating Bitcoin mining with Foundry USA Pool, dropped a bombshell on March 11, 2026, by announcing a Zcash mining pool. After quietly onboarding institutional clients, the pool went public in April and hit the ground running. In a mere 30 days, Foundry captured nearly a third of Zcash’s total hashrate—the computational power miners contribute to secure proof-of-work (PoW) blockchains. For those new to this, hashrate is the heartbeat of PoW networks like Zcash. Think of it as a team of workers solving puzzles: the more workers, the faster and safer the job, unless too many answer to one boss. Foundry’s rapid rise shows muscle, but it’s also a warning flare.

This isn’t a slapdash operation. Foundry has built a mining fortress for institutional heavyweights—miners with serious capital and a knack for navigating regulatory mazes. Their Zcash pool runs on a Pay Per Last N Shares (PPLNS) payout model, rewarding miners based on their recent efforts in finding blocks, a fair system over time. There’s no minimum hashrate barrier, which sounds open, but the real filter is their compliance gauntlet. They mandate Know Your Customer (KYC) and Anti-Money Laundering (AML) checks—essentially, proving who you are and that your money’s clean, much like opening a bank account. Add to that SOC 1 Type 2 and SOC 2 Type 2 audits, rigorous standards ensuring operational security and transparency, mirroring their Bitcoin pool’s framework. This is corporate-grade mining, not a basement hobbyist’s game, crafted to woo regulators and big players alike.

Zcash’s Hashrate Surge: What’s Behind the Numbers?

Zcash has been on a hot streak, with its network hashrate almost doubling from 8.1 gigasolutions per second (GSol/s) in September 2025 to 13.8 GSol/s by the time Foundry muscled in. That’s a screaming indicator of miner interest, particularly as privacy coins like ZEC gain traction. Zcash stands out by hiding transaction details through advanced cryptography, using tools like shielded addresses and zk-SNARKs—a tech that verifies transactions without revealing sender, receiver, or amount. In an era of rampant financial tracking, Zcash offers a digital cloak, making it a magnet for those prioritizing anonymity. Foundry’s entry aligns perfectly with this momentum, but whether it fuels sustainable growth or sows seeds of control is the million-dollar question.

Before Foundry showed up, ViaBTC ruled the roost with roughly 30% of Zcash’s hashrate. Now, with Foundry breathing down their neck at 29%, these two titans together grip almost 60% of the network’s power. If that doesn’t make you twitch about a 51% attack—where a single entity or colluding group could manipulate the blockchain by double-spending or censoring transactions—then you might be overlooking the fragility of decentralized systems under concentrated might.

Centralization: The Looming Shadow Over Zcash

Why should centralization in Zcash mining keep us up at night? Blockchain, especially PoW setups, thrives on decentralization as its core trust mechanism. It’s akin to a community vote: if two folks own most of the ballots, they could skew the outcome, no matter how fair the rest play. When two pools command nearly 60% of Zcash’s hashrate, the danger of collusion or coercion—whether by state actors, cybercriminals, or corporate agendas—becomes a tangible risk. A 51% attack isn’t just theory; it’s a gut punch to network integrity. Controlling over half the hashrate lets an attacker rewrite transaction history, potentially undermining Zcash’s privacy shield by exposing data or eroding user confidence in a coin built to defy surveillance.

Historically, Zcash hasn’t been immune to hashrate concentration. Even pre-Foundry, smaller pools struggled against ViaBTC’s stronghold, partly because Zcash’s Equihash algorithm, while designed to be memory-hard and resist centralization, still allows specialized hardware (ASICs) to dominate. Unlike Monero, which regularly tweaks its algorithm to favor everyday GPUs and keep mining accessible, Zcash has watched power coalesce among bigger players over time. Foundry’s arrival might be the tipping point, turning a simmering issue into a full-blown crisis for a privacy coin meant to stand against overreach.

Institutional Muscle vs. Cypherpunk Spirit

Mike Colyer, CEO of Foundry Digital, lays out their rationale with no fluff.

“Zcash has matured into an institutional-grade asset, but the mining infrastructure supporting it hasn’t kept pace,”

he stated, pinpointing a void in compliant, scalable options for deep-pocketed miners. Foundry’s not stopping at raw power—they’ve also rolled out Zcashinfo.com, a block explorer delivering real-time stats on hashrate distribution, pool rankings, and mining difficulty. It’s a transparency boost, ironically illuminating just how much control is consolidating under giants like Foundry.

Not everyone’s waving warning flags, though. Zooko Wilcox, Zcash founder and current Chief Product Officer at Shielded Labs, offers a hopeful take.

“This will spread out the Zcash mining hashpower from its current concentration in a single pool, and hopefully it will bring in new Zcash miners who trust Foundry to operate a high-quality service,”

he said. It’s a valid angle: diluting ViaBTC’s solo reign with a second major player could balance things temporarily, and institutional entrants might draw fresh miners to bolster the network. But let’s not get starry-eyed—if Foundry’s slice grows past 35%, we’re not looking at equilibrium; we’re staring at a new overlord.

Here’s the crux: Foundry’s slick infrastructure and regulatory focus could propel Zcash into the mainstream, winning nods from policymakers and big investors while fortifying the network with sheer computational strength. But there’s a steep price. Prioritizing institutional demands with KYC/AML hurdles and corporate audits risks alienating the cypherpunk roots of crypto—those gritty, independent miners who grind in garages for privacy and liberty, not shareholder returns. Foundry’s swift ascent is a paradox: a glowing testament to Zcash’s appeal, yet a harsh reminder that power clumps fast when big fish sense blood in the water.

Bitcoin, Altcoins, and the Wider Crypto Struggle

Bitcoin maximalists might chuckle at this altcoin mess, noting that BTC’s hashrate spread—though imperfect, with Foundry itself a key player via Foundry USA Pool—benefits from a larger, more resilient network honed by years of trial and error. Zcash, however, carves a niche Bitcoin doesn’t touch: ironclad privacy through shielded transactions, something even Ethereum, now on proof-of-stake, can’t replicate. Foundry’s Zcash gambit reflects a universal crypto dilemma: how do we scale disruptive tech without ceding control to a handful of gatekeepers? Look at Monero, which battles centralization by keeping mining open to standard hardware—perhaps a lesson Zcash could heed if community backlash mounts.

Regulatory shadows loom large too. Foundry’s compliance obsession might shield Zcash from government crackdowns on privacy coins, offering a veneer of legitimacy. But it could also paint a bullseye, inviting scrutiny on a network designed to evade oversight. Balancing institutional buy-in with the ethos of decentralization is a tightrope act, and Zcash is right at the tipping point.

Where Does Zcash Mining Go From Here?

As Foundry reshapes the Zcash mining battlefield, unanswered questions pile up. Will their dominance swell further, forcing developers to tweak the Equihash algorithm to curb centralization? Could grassroots miners rally with community-driven pools to reclaim ground? And what about regulatory pressure—will Foundry’s rule-following stance protect Zcash or expose it to tighter grip? This isn’t merely a mining saga; it’s a proving ground for whether privacy and distributed power can endure in a landscape increasingly hungry for both innovation and control.

Key Questions and Takeaways on Zcash Mining Dynamics

• What does Foundry’s 29% hashrate capture mean for Zcash’s trajectory?
  It’s a loud signal of institutional appetite and network growth, but with two pools nearing 60% control, it’s a stark centralization hazard.
• Could Foundry’s presence enhance Zcash decentralization?
  Briefly, yes, by splitting ViaBTC’s monopoly, but if Foundry surpasses 35%, it tips into a clear negative for distributed authority.
• Why focus on institutional miners over independents?
  Foundry is chasing a gap in compliant, high-scale infrastructure for big capital, though KYC/AML barriers may push out smaller operators.
• What’s the impact of Zcashinfo.com in this shift?
  It’s a transparency victory, enabling real-time tracking of hashrate trends and flagging centralization risks for all to see.
• Does this advance Zcash adoption or undermine its core values?
  It’s a double-edged sword—big-player backing could drive wider use, but risks eroding the privacy-first, decentralized heart if small miners are marginalized.
• How does Foundry’s Zcash approach stack up to its Bitcoin role?
  Their institutional strategy mirrors Foundry USA Pool’s Bitcoin dominance, though BTC’s broader network offers tougher resistance to centralization than Zcash’s smaller ecosystem.

Foundry Digital’s aggressive push into Zcash mining lays bare the friction between accelerating innovation and safeguarding ideals. Will Zcash crumble under institutional heft, or chart a course where privacy and power share the stage? Keep watch on the hashrate—and hold tight to the principles that got us here.