Zcash developers agree Ironwood details, disable Orchard bundling in Coinbase transactions

Sean Bowe said protocol teams reached multiple Ironwood specification decisions in two meetings over 48 hours as reviews, testing, formal verification and Orchard audits continue.

ZEC

Summary

Zcash protocol developers have finalized multiple Ironwood specification and implementation details after two meetings held over the past 48 hours, Sean Bowe said. The decisions include disabling Orchard pool bundling in Coinbase transactions. He added that the Ironwood circuit and ZIP 2005 draft integration have entered review, while Valar Group has deployed a draft integration on testnet. Independent Orchard audits, AI code scanning and formal verification work are also underway. The update points to continued technical preparation before broader rollout, with design review, testing and external security checks progressing in parallel.

Terms & Concepts
  • Ironwood: A Zcash protocol upgrade under development.
  • Coinbase transactions: Block reward transactions paid to miners.
  • Formal verification: Mathematical checks used to verify that code behaves as intended.