Zerion took app.zerion.io offline after detecting abnormal activity on April 10, 2026. The move came quickly, with the team using a shutdown switch to reduce risk after security scanners including Blockaid flagged the domain as high risk.
According to Zerion, the problem was tied to the front end rather than the blockchain itself. The wallet operates as a non-custodial interface, which means the platform does not hold users’ private keys or directly control their assets. In practical terms, funds remain in users’ own wallets unless they approved a malicious transaction.
The website interface was affected, not the wallet architecture
The central question after the alert was whether user funds had actually been compromised. Based on the information released so far, the disruption was limited to the web interface. Zerion’s mobile apps on iPhone and Android were said to remain operational, and the browser extension was also described as safe to use.
This kind of incident usually targets the layer users interact with first. Attackers try to manipulate or imitate a site’s front end and then trick users into signing transactions that give away control over tokens or approvals. That is why a front-end compromise can still be dangerous even if the wallet provider never holds customer assets.
The source material also states that there have been no reports of user fund losses at this stage. For now, the episode looks less like a completed theft and more like an emergency shutdown that may have prevented one.
What users should review after the alert
Users who accessed the Zerion web app shortly before it went offline were told to stay alert. A basic first step is to review recent on-chain activity through a block explorer such as Etherscan and check for any transfers or approvals that do not look familiar.
If an unfamiliar approval appears, users can revoke it through appropriate tools. Until the web app returns, Zerion has pointed users toward the official iOS and Android apps for portfolio checks and trading activity. The source also warns about fake support outreach. During security incidents, scammers often use direct messages to ask for seed phrases or sensitive account details.
No timeline yet for the website’s return
Zerion said it is still monitoring the situation and plans to publish a full report after the website is fixed and brought back online. No official return time for the web app has been provided so far. Until then, the mobile apps remain the main official access point mentioned in the update.