Zcash’s November upgrade could freeze funds in legacy Sprout pool
Zcash's upcoming NU7 upgrade may freeze funds in the legacy Sprout pool. Users are advised to move ZEC from the Sprout pool before the upgrade, scheduled for Nov. 5, to avoid losing access. ZEC price has risen 40% over the past week, trading at $1,627.82.
How this was made

The 30-second read
Why it matters
The upgrade disables the legacy Sprout shielded pool, risking funds left there from being spent.
Market read
Urgent action required for ZEC holders; potential sell pressure on ZEC.
What to watch
Potential migration of Sprout funds to transparent addresses could mitigate impact.
Background
Zcash is preparing a network upgrade (NU7) that changes transaction formats and block time.
Ticker impact
Zcash NU7 upgrade will disable spending from the legacy Sprout pool, risking funds becoming unspendable.
Downward pressure on ZEC as holders sell or move funds ahead of upgrade.
Upgrade is scheduled; inability to spend Sprout funds may trigger panic selling or migration to transparent addresses.
Market effects
Highlights risks for privacy-focused crypto assets and may affect broader privacy coin sentiment.
Primarily impacts global ZEC holders; no specific regional effect.
Could influence crypto market risk perception and altcoin flows.
Counterpoint
If a restoration mechanism is later implemented, the panic may be overstated.
Key entities
- cryptocurrencyZcash
Privacy-focused blockchain undergoing NU7 upgrade.
- personZooko Wilcox
Co-founder of Zcash, warning about the upgrade.

