Gravity Bridge Review: Should You Use It?

Gravity Bridge is a Cosmos blockchain designed to connect the Cosmos ecosystem with Ethereum. The project says it can move ERC-20 assets, such as DAI or USDC, from Ethereum into Cosmos, and represent Cosmos assets on Ethereum. Its stated goal is to let Cosmos projects access Ethereum assets through IBC without each project running its own Gravity orchestrator.

For you, that means using a bridge route to transfer an eligible asset between the two ecosystems. A bridged asset on the destination chain may be a representation of the asset held on the other side, rather than the original token contract. Confirm the exact token and destination chain in the app before approving anything; matching token names alone do not prove that a token is the correct representation.

The project provides a “Use Gravity Bridge” app entry point, alongside links to an explorer and governance forum. It does not publish a complete list of supported routes and assets in the information presented here, so check the app itself for current availability before sending funds.

Gravity Bridge does not publish a complete fee schedule. A transfer can involve more than one charge: the bridge may apply its own fee, while the source and destination networks can charge transaction fees. Ethereum gas costs can vary with network demand, so the final cost may depend on the route and the time you transact.

Before confirming, review the app's transaction preview for the amount you will receive, any bridge charge, and the network fees. If a fee or minimum is not clearly shown, do not assume the transfer is free or that the displayed amount is guaranteed. A small test transfer can help you check that the route works, but it still incurs fees and does not establish that a larger transfer is safe.

No published transfer-time estimate or complete limits schedule is available. Timing can depend on both networks and the bridge process, so avoid initiating a transfer when you need the funds by a fixed deadline. Compare the received amount with the amount sent, including gas, before relying on the route for repeated use.

Treat the security risk as elevated. No audit is listed for Gravity Bridge, and the project does not publish a complete security record in its public-facing information. A May 30, 2026 news report described approximately $5.4 million in losses, mostly in stablecoins, in a suspected contract key compromise. That is a serious warning, although a single report does not establish the full technical cause or the current state of the bridge.

Bridges can expose funds to several risks at once: the contracts holding or issuing assets, the validators or operators securing cross-chain messages, and the systems that control keys. Decentralization is the project's stated design goal, but that alone does not remove these risks. Check for a direct, current update from the project about the reported incident, affected contracts, paused routes and any user recovery process before making a transfer.

Do not treat a past successful transfer as proof that a bridge is currently safe. If you cannot verify the asset route and the project's incident status, choose another method or wait. Never approve a transaction that grants broader token access than the transfer requires.

The project directs users to a Gravity Bridge app and describes connections between Ethereum and Cosmos, including IBC links to Cosmos-based projects. You will need a wallet that supports the source chain and the ability to pay that chain's transaction fee. The precise wallets supported, mobile experience, route availability and expected processing time are not specified here; confirm them in the app before you connect.

Check that the wallet is set to the correct source network and that the destination is the intended chain. Read the token contract and transaction details rather than relying only on a token symbol. When moving assets to Ethereum, account for gas needed to use or move them after arrival; on the Cosmos side, make sure you will have the relevant network's fee token for later transactions.

The project also points users to a block explorer and governance forum. These can help you inspect activity and follow network decisions, but they do not replace checking the current bridge status or verifying an asset contract independently.

The main drawbacks are the lack of a complete published fee and limits schedule, no audit listed, and uncertainty around route-level details such as supported wallets and transfer timing. The May 2026 report of a suspected contract key compromise is the most important reason to pause and verify the current situation before using the bridge. If the project has not clearly explained which contracts or routes were affected and what protections are now in place, do not assume that the risk has passed.

Gravity Bridge is also a specialized tool: it is useful only when you need a supported asset to travel between its connected ecosystems. Users who want predictable costs, clear support commitments or a thoroughly documented security record may prefer a different route. Compare the destination token representation and total costs, not just the advertised transfer function.

If you do proceed, keep the amount limited to what you can afford to lose, avoid large approvals, and check the transaction on a block explorer. A test transfer reduces the chance of a routing mistake but cannot eliminate bridge or contract risk.