ZCash Announces Major Upgrade After Key Vulnerability, ZEC Price Loses $600

Key Insights:

• The ZCash Foundation confirmed that no funds were lost, no privacy was compromised, and there was no evidence of exploitation.
• The 54% ZEC price rally over the past month has caught investor attention, making it the largest privacy coin, surging past Monero.
• A successful ZCash breakout and sustained hold above $610 could open the door to a move toward $700.

ZCash (ZEC) faced a temporary network disruption this week after a critical vulnerability forced developers to deploy an emergency upgrade. Although the incident briefly interrupted block production, the Zcash Foundation confirmed that no user funds were lost, no privacy protections were affected, and there was no evidence of exploitation.

The event arrived during one of ZCash’s strongest rallies in years. Despite retracing below $600 after the disruption, ZEC remained higher on the day and continued to outperform much of the broader crypto market.

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The Zcash blockchain experienced a temporary network disruption after failing to produce a new block for more than four hours. Soon after, the developers swung into action to coordinate an emergency upgrade to address a critical vulnerability in the Orchard shielded pool.

The development team has further stated that the security review has no signs of exploitation. The issue led to an emergency response that included both a soft fork and a hard fork to secure the network.

Zcash Foundation released Zebra versions 4.5.3 and 5.0.0 to address the vulnerability. Zebra 4.5.3 temporarily disabled Orchard actions through an emergency soft fork at mainnet block height 3,363,426. The team also activated Zebra 5.0.0 activated the NU6.2 hard fork at block height 3,364,600.

The Foundation stated that there was no evidence of unauthorized value creation, no user funds were lost. Moreover, there was no compromise on the user privacy as well. It also noted that Sapling and transparent transactions continued operating normally during the disruption.

Following the successful deployment of the fix, block production resumed and network operations returned to normal. The Foundation has urged all Zebra node operators to upgrade to version 5.0.0.

Can ZCash Crypto Continue Rally After 50% Monthly Gains?

Zcash has extended its rally, gaining approximately 54% over the past month and 12% in the latest trading session. Also, the daily trading volume is up 71% to $1.6 billion, showing strong bullish sentiment among traders.

With this, the ZCash market cap has surged to $10.3 billion, making it the 11th largest cryptocurrency. The recent surge has also allowed Zcash to overtake Monero as the largest privacy coin.

ZCash is also getting institutional attention after the U.S. SEC closed its investigation into the project, earlier in January 2026. In addition, Grayscale Investments has filed to convert its Zcash Trust into what could become the first U.S. spot privacy coin ETF.

On-chain data also shows increasing adoption of Zcash’s privacy features. Approximately 30% of the circulating supply is now held in shielded pools, up from around 8% in 2024. It shows a clear demand for privacy coins, and ZEC is leading in this space.

ZEC Price At A Crucial Technical Level

Crypto market analyst Ardi explained that Zcash is approaching a critical technical level, which could decide its next directional move.

According to the analyst, the $610 level remains the key resistance zone to watch. Ardi described it as a multi-timeframe resistance pivot that continues to act as the left shoulder of the current chart structure.

The analyst noted that ZEC has made several attempts to push toward the $650 area, but each rally has been rejected back below $610. He said this suggests significant liquidity and selling pressure remain above the resistance zone.

Thus, continued rejection at $610 could confirm the formation of a macro lower high, which could lead to a downtrend. However, he added that if ZEC can reclaim the $610 level and maintain it across multiple candle closes. This could push it further to the local highs of $700 for next upside target.

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