Allium, a blockchain data provider serving major fintech and crypto firms, disclosed unauthorized system access on October 25 and engaged external investigators.
Regulation & Gov ·
Allium, a blockchain data infrastructure provider, detected a breach involving unauthorized system access on October 25 and has since engaged independent cybersecurity investigators. The company serves major fintech and crypto clients including Visa, Stripe, and Coinbase and raised $40 million in Series B funding in June.
In response to the incident, Allium notified affected customers and restored its primary offerings—the Allium App, Explorer, and Explorer APIs—though certain functionalities remain offline. The full extent of the breach has not been made public, leaving questions about what data or systems were exposed and how long unauthorized access persisted.
The investigation is ongoing, and critical details remain unclear: how many customers were affected, whether any data was exfiltrated, and the identity of the threat actor. Allium has not yet disclosed whether the incident impacts the security posture of its downstream clients or poses broader risks to the blockchain data ecosystem.