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Gravity Bridge Review 2026: Ethereum-Cosmos Bridge Chain

Gravity Bridge is a Cosmos blockchain built to act as a neutral bridge between Ethereum and Cosmos chains. It has meaningful value locked and a clear purpose, but DefiLlama lists no audits and fees are not published.

By the DappsAtlas editorial team · Updated Nov 4, 2026

DappsAtlas score

6.3/10

Mixed

Visit Gravity Bridge

Our verdict on Gravity Bridge

6.3/10

Gravity Bridge suits users who want to move assets between Ethereum and Cosmos chains and prefer a dedicated bridge chain secured by validators. Its main strength is a clear, focused design with IBC connectivity. The main caveat is that DefiLlama lists no audits and fees are not published, so cautious users should check documentation and test with a small transfer before moving larger sums.

Score breakdown

How Gravity Bridge scores

Security: 5.5/10
Ease of use: 6.5/10
Fees: n/a
Features: 6.5/10

Scores run from 0 to 10 and are based only on facts we could verify. Where information was missing we mark the score n/a rather than guess.

What is Gravity Bridge?

Gravity Bridge is a decentralized Cosmos blockchain created to secure bridges between blockchains. Its homepage describes it as a neutral bridge between Ethereum and Cosmos, using IBC so other Cosmos projects can reach ERC20 assets like DAI or USDC.

DefiLlama files it under Bridge and shows about 7.2 million USD in TVL, with a 7-day change of -1.6 percent. It has been listed since July 2023 and has a token, GRAV. The project links a validator setup guide, a governance forum, a blog and a Mintscan explorer from its homepage.

The pitch is that Cosmos assets such as ATOM could trade on Uniswap and other Ethereum AMMs and be used in Ethereum DeFi like any ERC20. DefiLlama lists no audits, and the project does not include fee, volume or team details.

How Gravity Bridge works

Gravity Bridge is its own Cosmos blockchain. Validators on that chain secure the bridge and run software called the orchestrator, which relays events between Ethereum and Gravity Bridge.

When a user sends an ERC20 token to the bridge contract on Ethereum, the token is locked and a matching representation is made available on the Gravity Bridge chain. From there it can move to other Cosmos chains over IBC. Going the other way, Cosmos assets can be sent to Ethereum as ERC20 representations.

The homepage says other Cosmos projects can use the bridge through IBC without running the orchestrator on their own chain. This makes Gravity Bridge a shared connection point rather than a separate bridge for each chain.

6 features

Key features

Dedicated bridge chain

A dedicated Cosmos blockchain whose main job is to secure the operation of bridges between chains.

IBC connectivity

Cosmos projects connect through IBC and access ERC20 assets such as DAI or USDC without running their own orchestrator.

Two-way asset transfers

ERC20 tokens from Ethereum can be moved into Cosmos, and Cosmos assets can return to Ethereum as ERC20 representations.

Auction module

A blog post describes an auction module for user-driven, decentralized token distribution.

Interchain Accounts portal

Another blog post describes using Interchain Accounts to give users a portal into Cosmos.

Validator and governance tools

The homepage links a validator setup guide, a governance forum and a Mintscan explorer.

Pros and cons

What we like

Clear, focused purpose: a neutral bridge between Ethereum and the Cosmos ecosystem.
Works with IBC, so other Cosmos chains can connect without running their own orchestrator.
Supports transfers in both directions between Ethereum and Cosmos.
Open governance forum, validator setup guide and public explorer are linked from the homepage.
Has been listed on DefiLlama since July 2023 with several million USD in TVL.

Watch out for

DefiLlama lists no audits for the project, so users have no audit report to check.
TVL of about 7.2 million USD is modest, which may mean limited liquidity for large transfers.
Bridges concentrate risk in validator sets and smart contracts, and a failure can lock or lose funds.
Fee levels for bridging are not published publicly, so costs are unclear until a transfer is set up.
Coverage is mainly Ethereum and Cosmos-based chains, so users of other networks need a different bridge.

Gravity Bridge fees

Fees are not published. The homepage does not list a bridge fee schedule.

Users should expect to pay network gas on Ethereum and a fee on the Gravity Bridge chain, and would see the exact amounts in the app and wallet confirmation before signing. Check the app and the FAQ before bridging.

Is Gravity Bridge safe?

DefiLlama lists zero audits for Gravity Bridge, so the project does not confirm any independent code review. Readers should look for published audit reports and documentation before bridging large amounts.

As with any bridge, risk comes from the smart contracts on Ethereum, the validator set on the Gravity Bridge chain and the relaying software. A fault in any of these could delay or lose funds. The project does not mention past incidents or regulatory status. Bridge small amounts first and keep only what you need in transit.

6 steps

How to get started with Gravity Bridge

1
Read the homepage FAQ and the Why it Works section to understand how transfers move between Ethereum and Cosmos.
2
Set up a wallet that supports Ethereum and a Cosmos wallet that supports the Gravity Bridge chain.
3
Open the official app from the project's website and connect your wallet.
4
Start with a small test transfer of an asset such as an ERC20 token or ATOM.
5
Review the gas and any bridge fee shown before confirming.
6
Track the transfer on the Mintscan explorer and confirm the assets arrive on the destination chain.

Open Gravity Bridge

Who Gravity Bridge is for

Gravity Bridge fits Cosmos users who want ERC20 access, Ethereum users who want to bring Cosmos assets like ATOM into Ethereum DeFi, and validators interested in securing a bridge chain. It is less suited to people who need many non-Cosmos chains or want audited, fee-transparent routes.

Gravity Bridge FAQs

What is Gravity Bridge?

Gravity Bridge is a Cosmos-based blockchain whose main purpose is to secure bridges between blockchains. It moves ERC20 assets from Ethereum into Cosmos and Cosmos assets to Ethereum representations.

Which chains does Gravity Bridge support?

Public sources name Ethereum and the Cosmos ecosystem, with other Cosmos chains connecting through IBC. DefiLlama lists the Gravity Bridge chain and Ethereum.

Does Gravity Bridge have a token?

DefiLlama lists GRAV as the project token. The project does not describe its full utility, so check the governance forum and documentation for details.

Is Gravity Bridge audited?

DefiLlama shows zero audits listed for Gravity Bridge. That does not prove none exist, but readers should look for published audit reports before moving large sums.

Can I bridge ATOM to Ethereum with it?

Public sources say the bridge lets Cosmos assets such as ATOM trade on Uniswap and other Ethereum AMMs. Transfers use the Gravity Bridge chain and IBC connections.

What does it cost to use Gravity Bridge?

Bridge fees are not published publicly. Users would see network gas costs and any bridge fee in the app and their wallet before confirming.

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