Grayscale Credits Zcash Developer Fund for 10-Year Upgrades

As the Zcash cryptocurrency approaches its tenth anniversary on October 28, asset manager Grayscale has credited the network's 20% developer funding model for supporting a decade of continuous privacy and security upgrades. According to a research report published on October 26 by Grayscale head of research Zach Pandl, the funding arrangement has helped Zcash continue improving its technology through prolonged bear markets and periods of weak token performance.

Unlike Bitcoin, where miners receive the full block subsidy, Zcash reserves 20% of newly issued block rewards for ecosystem development, while miners receive the remaining 80%. Under the current structure, 8% of block rewards support Zcash Community Grants, and 12% fund the Coinholder-Directed Retroactive Grants Program, which allows eligible ZEC holders to vote on funding previously completed work. Grayscale noted that this ongoing financial support has allowed the network to fund research and development without relying entirely on venture capital or private investment.

Privacy Upgrades Across Four Shielded Pools

Grayscale's research traces the development record across four successive shielded transaction systems since the network's launch on October 28, 2016. Zcash initially deployed Sprout using zero-knowledge proofs, followed by Sapling in 2018 and Orchard in 2022. Most recently, developers activated the Ironwood upgrade in July 2026 at block height 3,428,143 after discovering a vulnerability in Orchard’s zero-knowledge proof circuit.

Ironwood introduced formally verified supply protections using mathematical proofs and incorporated quantum-recoverable notes designed to support future recovery procedures against potential quantum computing threats. Recent community funding decisions demonstrate the framework in action, with Zcash holders approving $8.39 million in grants across 17 proposals during October's third-quarter retroactive funding round, including allocations for bug bounties, protocol development, and formal verification.

Key facts

• Zcash marks its tenth anniversary on October 28, following its 2016 launch.
• The network allocates 20% of block rewards to development and 80% to miners.
• Current grants split block rewards into an 8% community allocation and a 12% coinholder-directed program.
• Ironwood activated in July 2026, introducing quantum-recoverable notes and formally verified supply protections.
• Zcash holders recently approved $8.39 million in grants covering 17 of 37 proposals in October.