NewsSignals AI analysis·Cointelegraph·Nov 6, 2026

Zcash NU7 upgrade goes live, leaves 12,224 ZEC stranded in Sprout pool

Grade Abearish AI signal$ZEC

Zcash's NU7 network upgrade is now live, making approximately 12,224 ZEC worth $15 million in the legacy Sprout shielded pool unspendable under the new network rules. The upgrade reduces the target block time from 75 to 25 seconds and rejects version 4 transactions, while leaving open the possibility of restoring access through a future upgrade. The stranded funds and uncertainty over permanent access could pressure ZEC sentiment, although the new sustainability mechanism introduces longer-term changes to network economics.

Bullish strength: 25/100

Target block time decreases from 75 to 25 seconds.
The upgrade introduces a Network Sustainability Mechanism for future mining rewards.
A future network upgrade could potentially restore access to the stranded Sprout funds.
Zcash preserves its 21 million ZEC supply cap and existing halving schedule.

Bearish strength: 75/100

Approximately 12,224 ZEC worth $15 million are now unspendable under the new rules.
The upgrade rejects version 4 transactions, the only existing format supporting Sprout fund spending.
The specification warns that Sprout spending may never be re-enabled.
The Network Sustainability Mechanism removes 60% of transaction fees from circulation for eventual future reissuance.

This is automated NewsSignals analysis of third-party reporting, not independent original reporting or investment advice. AI scores are not price predictions.

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