Zcash Orchard Flaw Could Enable Unlimited Counterfeit ZEC
- Discovery and Response: Security researcher Taylor Hornby discovered the Orchard circuit flaw on May 29, 2026, and promptly reported it to the Zcash Open Development Lab, leading to an emergency response that confirmed the vulnerability was fully exploitable by June 2, highlighting significant security risks for Zcash.
- Vulnerability Details: Wilcox and his team revealed that the flaw allowed false inputs to pass elliptic curve multiplication verification, potentially enabling unlimited counterfeit ZEC generation, with the vulnerability remaining undetected from May 2022 to June 2026, posing challenges to user trust.
- Future Network Upgrade Plans: To enhance user trust, Shielded Labs is exploring a network upgrade that would introduce a new shielded pool and turnstile accounting mechanism, allowing the community to independently verify Zcash's total supply and ensure the non-existence of counterfeit ZEC.
- Accelerated Security Research: Wilcox emphasized that the Zcash team is accelerating security research, leveraging state-of-the-art AI tools in collaboration with Hornby and Anthropic to identify potential issues before attackers do, and plans to conduct formal mathematical verification projects to bolster the security of the Orchard circuit.
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Technical Analysis for ZEC
Technical Sentiment Analysis for Zcash (ZEC). As of , Zcash (ZEC) is exhibiting a Strong sell technical sentiment. Our proprietary analysis, which aggregates 4 technical signals, shows that 0 indicators are flashing buy, while 4 are indicating sell.
Momentum Indicators: RSI, MACD & Overbought/Oversold Status. Currently, the Relative Strength Index (RSI) for ZEC stands at -, which suggests a Neutral condition. Meanwhile, the MACD (12, 26) indicator is at -, providing a Neutral signal for short-term momentum. Other oscillators like the Stochastic Oscillator at - and the Commodity Channel Index (CCI) at - further confirm a - outlook for the crypto.
Support, Resistance & Moving Averages. From a structural perspective, ZEC is trading below its 60-day moving average of $- and below its 200-day long-term moving average of $-. Key price levels to watch include the immediate resistance at $- and strong support at $-. A break above $- could signal a bull continuation, while falling below $- may test the next Fibonacci floor at $-.
Zcash (ZEC) Support & Resistance Level
| Name | S3 | S2 | S1 | Pivot Points | R1 | R2 | R3 |
|---|---|---|---|---|---|---|---|
| Classic | -125.861 | 62.13 | 268.529 | 456.52 | 662.919 | 850.91 | 1057.309 |
| Fibonacci | 62.13 | 212.787 | 305.863 | 456.52 | 607.177 | 700.253 | 850.91 |
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