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Blink suspends services to investigate a security incident

Chaincatcher • September 19, 2026

According to Bitcoin News, attackers accessed a small number of Blink hosted accounts and withdrew funds.

Blink stated that the vast majority of funds remain secure, and non-custodial wallets were unaffected; the Bitcoin payment protocol Spark it uses supports multiple Lightning Network wallets, but it has not yet been confirmed that Spark is the source of this security incident.

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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Blink Wallet Security Breach Drains Custodial Accounts On September 19, 2026, Blink Wallet, a Bitcoin Lightning Network platform, paused its services following a security breach that allowed an attacker to access and withdraw funds from a limited number of custodial accounts. Blink confirmed that only a 'few dozen' custodial accounts were affected, while the majority of funds remained secure and non-custodial wallets were unaffected. The company is currently investigating the incident and has promised to make every affected user whole. No specific details about the attack vector or the amount of funds withdrawn have been disclosed. This incident follows a series of security issues impacting various digital currency businesses and Lightning Network applications, raising concerns about the overall security in the sector. As of now, services remain suspended while the investigation continues. 10 sources 55

Blink suspends services to investigate a security incident

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Extracted Entities

Attack Types (1)

Platforms (1)