Anthropic Explores AI-Driven Vulnerabilities in Blockchain Contracts

First seen 5 Dec 2025, 10:44 UTC • Theregister

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Anthropic identified a vulnerability in blockchain smart contracts using its Claude AI models, which could have led to a potential $4.6 million exploit. However, the company chose not to pursue the attack, as it would have been illegal and detrimental to its reputation. This incident highlights the capabilities of AI in cybersecurity and the ethical considerations involved.

ThreatCluster AI

Attack Flow

9 entities, 7 inferred relationships (STIX 2.1).

Technique (1)

Zero-day Exploit

Organization (2)

Base
Ethereum

Affected Platform (1)

Binance Smart Chain

Tool (5)

A1 Automated Exploitation Framework
A1 Exploitation Framework
Claude Opus 4.5
Claude Sonnet 4.5
Gpt-5

Relationships

Zero-day Exploit targets Binance Smart Chain
A1 Automated Exploitation Framework related to Base
A1 Automated Exploitation Framework related to Ethereum
A1 Automated Exploitation Framework related to A1 Exploitation Framework
A1 Automated Exploitation Framework related to Claude Opus 4.5
A1 Automated Exploitation Framework related to Claude Sonnet 4.5
A1 Automated Exploitation Framework related to Gpt-5

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Base Ethereum Binance Smart Chain Zero-day Exploit A1 Automated Exploitation Framework A1 Exploitation Framework Claude Opus 4.5 Claude Sonnet 4.5 Gpt-5

Anthropic Explores AI-Driven Vulnerabilities in Blockchain Contracts

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