Morning Edition · Saturday, June 6, 2026
After Cracking a Zcash Flaw With AI, a Researcher Turns to Monero
The security expert whose discovery caused a sharp fall in Zcash says other privacy-focused cryptocurrencies are next on his audit list.

Taylor Hornby, the security researcher who used artificial intelligence to uncover a flaw in the privacy cryptocurrency Zcash, has added Monero to his audit queue, CoinDesk reported. The earlier discovery, a defect in Zcash's Orchard system, led to a 38 percent fall in the token's price, a sharp reaction to a technical fault in the code that underpins its anonymity.
The case offers insight into a fast-changing area of software security. Hornby's method pairs human expertise with AI tools to scan complex cryptographic code for weaknesses, and the success against Zcash suggests the approach can find problems that previously took far longer to surface. Privacy coins, which promise to obscure the sender, receiver and amount of a transaction, depend on exactly the kind of intricate mathematics that such audits probe.
For the privacy-coin sector, the news has both positive and negative implications. Independent scrutiny that catches flaws before attackers exploit them strengthens these systems over time, but each public disclosure also exposes how much trust rests on code that very few people can fully verify. The market's swift reaction against Zcash showed how quickly confidence can erode when a vulnerability becomes known.
The broader signal is about the maturing intersection of AI and security research. As automated tools become capable of auditing the foundations of digital money, both the builders and the holders of these assets face a period in which long-standing assumptions about their soundness will be tested more rigorously than before.
What this means
AI-assisted auditing is raising the rate at which deep flaws in cryptographic systems are found, which improves security in the long run but introduces fresh volatility as each disclosure affects prices. For privacy coins specifically, the credibility of the underlying code is now a live market variable.
What to watch
- Whether Hornby's Monero audit surfaces a comparable vulnerability.
- How Zcash developers patch the Orchard flaw and whether confidence recovers.
- Wider adoption of AI tools for auditing cryptocurrency protocols.
Observations to monitor, not financial advice.
Source: CoinDesk
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