Zcash Sprout holders have two weeks to move their ZEC

Zcash’s NU7 upgrade is pending for mainnet block 3,543,405, expected around November 5. for Zakurathe new full node project led by Zcash co-founder Sean Bowe. Once NU7 is enabled, any ZEC remaining in the network’s original Sprout pool will be blocked.

• Why Sprout turns dark: Postcode 2003 removes Zcash’s old “v4” transaction format, and Sprout, the protected pool Zcash launched with in 2016, only works with v4 transactions.

• Frozen, not burned: The parts will not be destroyed and a future correction is not excluded. Nonetheless, ZIP warns that Sprout Spending “may never be reactivated,” so holders should not count on a bailout.

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• Node operators also: NU7 skips Zcash’s usual ~3 month delay between new node software and activation, and Postcode 259 warns that latecomers could continue to operate on the old pre-NU7 channel.

• Also followed: Beyond the Sprout deadline, NU7 offers 25-second blocks and a fee recycling network sustainability mechanism, both of which we highlighted in September.