Inside Zcash’s new node that targets Visa-scale privacy at 50,000 transactions per second
The new Zakura client is the first live piece of a plan to take Zcash from roughly one private transaction per second to payment-network scale.
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Summary
- Zakura, a new Zcash full node maintained independently of the Zcash Foundation, launches as a pruned, fast-syncing fork of Zebra with compatibility for the legacy zcashd client ahead of its July 18 end of life.
- The software is one pillar of a broader effort, alongside Project Tachyon and private information retrieval research, to scale Zcash toward Visa- and Mastercard-level throughput by shrinking verification data and removing wallet performance bottlenecks.
- Zakura supports the Ironwood (NU6.3) upgrade activating July 28, which introduces a turnstile mechanism to cap withdrawals from the Orchard shielded pool and contain any counterfeit ZEC that may have been created via a long‑standing soundness bug.
