The team rolled out an emergency upgrade to fix a dangerous flaw in its Orchard shielded pool that could have allowed undetectable value creation (basically printing ZEC out of thin air without anyone noticing).
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Thankfully, the Zcash Foundation says the bug was caught before any exploitation, no funds were lost, and the total ZEC supply remained 100% intact.
How They Fixed It
The fix came in two stages:
- Zebra 4.5.3 → Emergency soft fork at block 3,363,426 that temporarily disabled Orchard actions.
- Zebra 5.0.0 → NU6.2 hard fork at block 3,364,600 that re-enabled Orchard with the corrected circuit.
The Foundation urged all node operators to upgrade immediately to 5.0.0.
Market Loved The Quick Response
While the broader crypto market was sliding, ZEC’s price actually jumped roughly 7% in 24 hours, trading as high as $638 before settling near $603. Digital asset traders seem to have rewarded the network for its rapid and transparent handling of the issue.
Privacy Narrative Put To The Test
Orchard is Zcash’s most advanced shielded pool and central to its “privacy-first” reputation. A flaw in such a critical component — even if quickly fixed — puts the spotlight on operational resilience.
Some explorers briefly showed the chain as “stuck” during the upgrade, sparking temporary panic on social media, but the network itself continued producing blocks normally.
Zcash (ZEC) just passed a high-pressure live test on its privacy infrastructure. The bug was serious, but the team’s quick action and clear communication helped turn a potential disaster into a confidence booster.
ZEC’s price reaction shows the market is watching how well privacy coins handle real threats.
Fast response equals strong signal. Now the question is whether this strengthens long-term trust in Zcash’s privacy tech.
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