Privacy-focused cryptocurrency network Zcash has deployed its milestone Network Upgrade 7 (NU7) on mainnet, significantly accelerating transaction speeds by cutting target block times by threefold to 25 seconds. The major technical update aims to streamline private payments by reducing the computational workload required for wallet software to identify confidential transactions. Additionally, the activation introduces structural changes to the network's economic mechanics by reserving transaction fees to support future miners.
What changes does the NU7 upgrade bring to Zcash?
The NU7 upgrade fundamentally alters Zcash's network mechanics by drastically reducing the target time between blocks to 25 seconds while activating the Network Sustainability Mechanism. Under this new protocol feature, the Zcash network automatically removes 60% of each block's transaction fees from circulation while setting aside remaining fee allocations for future block rewards. The overhaul also optimizes the scanning efficiency of user wallets, enabling faster detection and processing of shielded private transactions across the blockchain.
Why are millions in legacy Zcash funds currently stranded?
Legacy Zcash funds held within the historical Sprout shielded pool have become temporarily unspendable following the mainnet activation of the NU7 upgrade. Outlets reporting on the transition noted slight discrepancies in the total value affected, with reporting placing the stranded amount between 12,224 ZEC—valued at approximately $15 million—and up to $16 million. Users were warned of a strict deadline to migrate their holdings out of the legacy pool prior to the hard fork, though network developers anticipate that a subsequent protocol upgrade could potentially restore access to the locked assets.
The deployment of NU7 permanently alters Zcash's economic model by automatically removing 60% of all block transaction fees from active circulation.
How has the ZEC market reacted to the NU7 activation?
Market movements surrounding the Zcash upgrade saw heightened volatility as the network targeted block 3,543,405 for the activation threshold. Prior to the technical transition, Zcash (ZEC) traded at $1,305.00 US dollars as anticipation built among market participants. Following the live deployment on mainnet, ZEC experienced mild downward pressure, with prices slipping by 2.24% as traders digested both the technological enhancements and the temporary locking of legacy Sprout pool assets.
Market Snapshot
| Asset | Price | 24h | Market Cap |
|---|---|---|---|
 Bitcoin BTC | $76,113 | -5.22% | $1530.3B |
 Ethereum ETH | $2,242 | -7.06% | $274.0B |
 BNB BNB | $693.78 | -2.90% | $91.2B |
 XRP XRP | $1.2 | -8.83% | $76.2B |
 Solana SOL | $90.15 | -6.54% | $53.2B |
 Dogecoin DOGE | $0.0724 | -5.77% | $11.3B |
 Cardano ADA | $0.185 | -6.90% | $6.9B |
Live data: CoinGecko — 2026-11-06 09:22 UTC
