Rainbow Bridge Review 2026: Ethereum, NEAR and Aurora

Rainbow Bridge is Aurora’s bridge for transferring tokens between Ethereum, NEAR and Aurora. It serves users moving assets across those networks, but published details on fees, audits and how transfers are secured are limited.

By the DappsAtlas editorial team · Updated Nov 6, 2026

DappsAtlas score

—/10

Not rated

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Our verdict on Rainbow Bridge

Rainbow Bridge is for users who need to transfer tokens between Ethereum, NEAR and Aurora. Its main strength is a clear, specific role as Aurora’s official bridge across these networks. The main caveat is the lack of published detail: fees, transfer limits, security design and audits are not listed. Treat it as a cross-chain service with meaningful technical risk, and check the interface carefully before authorizing a transfer.

Score breakdown

How Rainbow Bridge scores

Security: n/a
Ease of use: n/a
Fees: n/a
Features: n/a

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 Rainbow Bridge?

Rainbow Bridge is Aurora’s official bridge for transferring tokens between Ethereum, NEAR and Aurora. Its stated purpose is to let users move assets across those networks. Fees, transfer limits, team details and the bridge’s technical design are not published.

How Rainbow Bridge works

Rainbow Bridge provides an interface for moving tokens between Ethereum, NEAR and Aurora. A user chooses the networks and asset involved, then initiates a transfer from the source network. The bridge coordinates the cross-network transfer; the exact verification and asset-handling mechanism is not published.

Cross-chain transfers depend on more than one network and bridge components, so delays, transaction costs and technical risks can differ from an ordinary transfer on a single chain. Review the destination network and transaction details carefully before confirming.

2 features

Key features

Ethereum transfers

The bridge is described as supporting token transfers between Ethereum and NEAR.

Aurora support

Users can also transfer tokens between Ethereum or NEAR and Aurora.

Pros and cons

What we like

Supports transfers between Ethereum, NEAR and Aurora.
Provides a dedicated interface for cross-network transfers.
Is identified as Aurora’s official bridge.

Watch out for

Fees and transfer limits are not published.
No audit is listed for Rainbow Bridge.
The bridge’s exact transfer and verification mechanism is not explained.
The project does not publish team, licensing, or incident-history details.

Rainbow Bridge fees

Rainbow Bridge does not publish its fees or transfer limits. Review the bridge interface before confirming a transaction, including any network fees shown by your wallet.

Is Rainbow Bridge safe?

No audit is listed for Rainbow Bridge, and the project does not publish the details of its transfer-verification mechanism, custody model, licensing status or incident history. Bridges can expose users to smart-contract and cross-chain risks; confirm transaction details and consider the possibility of loss before transferring funds.

5 steps

How to get started with Rainbow Bridge

1
Check that using a cross-chain bridge is suitable for the asset and networks you plan to use.
2
Open the Rainbow Bridge interface and connect a compatible wallet.
3
Choose the source and destination networks from Ethereum, NEAR and Aurora.
4
Select the asset and amount, then review the transfer details and any displayed fees.
5
Confirm the transaction in your wallet and wait for the transfer to complete.

Open Rainbow Bridge

Who Rainbow Bridge is for

Rainbow Bridge may suit users who need to move tokens between Ethereum, NEAR and Aurora and are comfortable with cross-chain risks. It is less suitable for people who need clearly published fees, limits or independent audit information before using a bridge.

Rainbow Bridge FAQs

What is Rainbow Bridge?

Rainbow Bridge is described as Aurora’s official bridge for transferring tokens between Ethereum, NEAR and Aurora. It is intended for users who need to move assets across those networks.

How much does Rainbow Bridge charge?

Fees and transfer limits are not published. Check the bridge interface for any costs or limits before confirming a transfer.

Is Rainbow Bridge safe?

No audit is listed for Rainbow Bridge, and its specific security mechanism is not explained. Cross-chain transfers carry smart-contract and bridge risks, so only transfer assets you can afford to lose.

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