Cryptocurrency & Web3

Anthropic's Mythos AI Audit Clears Zcash of Serious Bugs Amid Security Concerns

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Mary Davis
| Jun 14, 2026 | 2

In a significant development for the cryptocurrency landscape, Zcash co-founder Zooko Wilcox announced that Anthropic's Mythos AI model has identified no further serious vulnerabilities within the Zcash privacy protocol. This comes on the heels of a previously patched forgery bug that had raised alarms among developers and investors alike.

The security audit, requested by Shielded Labs, a Swiss non-profit dedicated to the enhancement of Zcash's infrastructure, confirmed that the latest review of the privacy-centric cryptocurrency yielded no new “serious bugs.” Wilcox shared this update via a post on social media platform X, underscoring the bolstered integrity of Zcash after the protocol's recent scrutiny.

Earlier this month, Zcash developers were compelled to halt transactions within the Orchard framework due to the detection of a flaw within the shielded pool. This temporary suspension was promptly resolved on June 3 through an emergency upgrade, restoring normal operations for users.

The vulnerability was tied to a four-year-old forgery bug identified by security researcher Taylor Hornby, leveraging Anthropic’s Claude Opus 4.8 model to assist in the discovery. Fortunately, the Zcash Foundation reassured stakeholders that no exploitation of this vulnerability occurred and that user privacy remained intact during the incident.

As artificial intelligence continues to play an increasingly pivotal role in uncovering software vulnerabilities, it simultaneously raises new security concerns within the broader crypto ecosystem. Recently, Anthropic launched Fable 5, the public version of the Mythos model, which had previously uncovered over 10,000 high-severity vulnerabilities in critical software. However, this widespread assessment has sparked debate about the implications of releasing such potent tools into the wild.

While Anthropic asserts that Fable 5 has been made “safe for general use,” with certain topics routed to different models for safety, the issuance of an export control directive from the U.S. government has led the company to suspend access to both Fable 5 and Mythos 5, raising the stakes in an already volatile market.

Moreover, the emergence of AI-driven security technologies has altered the cybersecurity narrative, with some experts describing a “vulnerability apocalypse” that is aggravating the frequency of hacks in decentralized finance (DeFi). According to data from DefiLlama, crypto hacks reached a staggering $634 million in April, the highest since the Bybit hack in early 2025, highlighting the dual-edge sword of innovation in the blockchain space.

As the landscape evolves, the interplay between AI advancements and cybersecurity remains a focal point for developers and consumers alike, heralding an era of both innovation and vigilance in the cryptocurrency domain.

Source: Cointelegraph

Source: CoinTelegraph - Cryptocurrency & Web3

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