ioTube Review: Should You Use This Bridge in 2026?

ioTube is a cross-chain bridge designed to move tokens between IoTeX and other networks. Its listed core networks are IoTeX, Ethereum, BNB Chain and Polygon; ioTube also names Avalanche among its supported networks. Check the app’s route selector before you begin, since a network being mentioned does not guarantee that every token or direction is currently available.

The service also handles wrapping and unwrapping. ioTube describes wrapped tokens such as CIOTX as bridged at a 1:1 ratio, but that is not the same as a guarantee that a wrapped token can always be redeemed. You still depend on the bridge and the relevant contracts to process the transfer. ioTube’s Explorer lets you look up cross-chain transaction records, which can help you follow a transfer after submitting it. It does not remove the risks of a failed, delayed or compromised bridge.

ioTube describes its service as low-cost, but does not publish a fee schedule or specific transfer costs. Before confirming a transaction, inspect the quote in the app and check whether it includes a bridge charge, any conversion cost and the network gas fee. A bridge transfer can require gas on the sending chain; a later transaction on the receiving chain may require more.

Costs can differ by token, route and network congestion. Compare the total amount you expect to receive with the amount you send, not just a headline bridge fee. If the app does not show a clear estimate or the route’s costs, don’t proceed until you understand what will be deducted. A transfer through a bridge may also leave you holding a wrapped token rather than the original asset, so check its contract and where it can be used before moving a meaningful amount.

Treat ioTube as high risk until its post-incident status is clear. Reports say the bridge suffered an Ethereum-side exploit on February 21, 2026. One report describes an attacker gaining admin control through a private-key compromise and draining about $4.4 million. The reported incident is a concrete reason not to rely on ioTube’s marketing claims of security when deciding whether to deposit.

No audits are listed for ioTube. The current status of the affected route, any remediation and the handling of affected funds are unclear. Don’t assume the exploit has been fixed or that a route is safe simply because the app is accessible. Look for a direct, current confirmation from IoTeX about the incident and the specific route you intend to use. If you cannot verify that, choose another option or wait. Even a successful small test would not establish that a bridge is secure for larger transfers.

The advertised flow is a wallet-based bridge: select a sending and receiving network, choose a supported token, review the quote and approve the transaction in your wallet. You need to select the correct networks and token contracts; a transfer to the wrong network or address can be difficult or impossible to recover. Confirm that the destination wallet supports the token you expect to receive.

ioTube says its Explorer displays cross-chain transaction records, which can help you check a transfer’s progress. The project also describes the service as fast, but does not publish a guaranteed processing time. The homepage mentions 24/7 support, but does not specify response times. No particular mobile app or wallet list is established, so check compatibility in the app before connecting. Do not share your seed phrase or approve an unexpected wallet request. The reported exploit makes it especially important to verify the current status of a route before granting approvals or sending assets.

The most important limitation is the reported exploit and the lack of a clear current post-incident status. Other decision-critical details are also missing: ioTube does not publish specific fees in the project details here, and no audits are listed. Its 1:1 wrapped-token description does not by itself demonstrate that every wrapped asset can be redeemed at any time.

The available route list also needs checking inside the app: the main listed networks are IoTeX, Ethereum, BNB Chain and Polygon, while ioTube separately names Avalanche. Route availability can change, so don’t rely on a general network list to decide which token to send. If you need independently verified security, transparent costs or certainty about recovery after the incident, ioTube does not currently give you a clear basis for that decision. Wait for an explicit status update or use a bridge whose security and costs you can verify.