Allium, a blockchain data provider serving Visa, Stripe and Coinbase, discloses the security breach.
Blockchain data infrastructure provider Allium disclosed that it had detected unauthorized access to certain systems on October 25. The company notified affected customers and hired an independent cyber security firm to investigate. Its core services, including the Allium App, Explorer and the Explorer API, are back online, although some features remain unavailable. Eliom did not reveal the full extent of the incident. The company raised $40 million in Series B funding in June and serves clients including Visa, Stripe and Coinbase.