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Best Crypto Bridges: Cross-Chain Solution in 2024
Swen Keller
Best Bridge between ERC-20 and BEP-20
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In this article we dive deep into the best crypto bridges. To come up with our list of the top cross-chain bridges we leverage our expertise in cross-chain bridges by getting first-hand experience with each cross-chain solution, analyzing user reviews, and taking into consideration expert opinions.
Best Crypto Bridges: Our Take
Our pick as the number one solution from the best cross-chain bridges is the Portal Token Bridge.
Unlike some crypto bridges on our list Portal Token Bridge charges an ultra-low transaction fee of $0.0001 and offers a large selection of tokens as well.
The Portal Token Bridge is a Wormhole Protocol.
When compared to other crypto bridges, Portal Bridge stands out for its ultra-low transaction fees.
It also stands out for its large selection of supported blockchain networks and cryptocurrencies, supporting 25 different blockchain networks and all the cryptocurrencies available on the supported networks.
Portal Bridge also supports the bridging of NFTs across networks.
Key Features of Portal Token Bridge
Portal NFT Bridge
The NFT bridge allows you to send NFTs cross-chain to 9 blockchains. The Portal NFT bridge supports all SPL(with a supply of 1) and ERC-721 NFTs.
It has an NFT origin tool that allows users to manually verify the authenticity of an NFT.
Portal Token Bridge Security
Portal Bridge runs on the same cryptographic primitives as Ethereum.
It also uses a multi-sig approach which consists of 19 Guardians that independently sign messages.
Each of these Guardians conducts their independent validation process before verifying and validating any transaction.
Portal Bridge is also regularly audited internally and externally.
Portal Token Bridge Fees
Portal Bridge charges $0.0001 per transaction.
To find out more read our Portal Token Bridge Review.
Pros
- Very low fees
- It supports multiple networks and cryptocurrencies
- Supports bridging of NFTs
Cons
- Manual conversion is required to regain assets sent
- Limited popular Decentralized Finance wallets supported
Across Protocol: Best Crypto Bridge With Capital Efficiency Design
Founded in 2022, Across Protocol is a crypto bridge for Layer-2s and rollups secured via UMA’s Optimistic Oracle. It is one of the best crypto bridges for capital efficiency.
It stands out for its capital efficiency design and low transaction fees.
With Across Protocol, users can save between 20 to 80% in cost on cross-chain transfers.
Across Protocol supports 6 blockchain networks and 9 cryptocurrencies. Supported blockchain networks include Arbitrum Ond, Polygon, Ethereum mainnet, ZkSync Era, Optimism, and Base.
The native token of the Across Protocol is the ACX token.
Key Features of Across Protocol
Across Protocol Rewards
Across Protocol offers 2 reward programs: the Reward Locking Program and the Across Referral Program.
Across users can earn ACX tokens by either referring people to the platform using a unique referral link or by locking their tokens in liquidity pools.
Across Protocol Security
Across Protocol is a secure protocol that builds on UMA’s Optimistic Oracle.
It uses a one-step escalation game which allows as little as one honest actor to stop and dispute invalid transfers.
Across Protocol Fees
Under the Across Protocol simple fee structure, liquidity providers and relayers earn fees based on the risks associated with any bridging event.
Users pay between 0.06% to 0.12% liquidity provider fees.
Find out more about Across Protocol here.
Pros
- Low transaction fees
- Capital efficiency design ensures liquidity
- Runs a rewards program
Cons
- Cryptocurrencies and networks supported are limited
Stargate Finance: Best Cross Chain Bridge For Facilitating One Transaction Cross-chain Swaps in Native Assets
Stargate Finance is a blockchain bridge that allows users and dApps to transfer native assets as well as access its unified liquidity pools.
Stargate Finance supports 7 cryptocurrencies and 12 different blockchain networks.
All Stargate Finance transfers have instant finality.
This ensures that a transfer submitted on the source chain is guaranteed on the destination chain.
Unlike other best cross-chain bridges, with Stargate Finance, users and applications swap in native assets not wrapped tokens that need additional swaps and fees to receive the desired asset.
Key Features of Stargate Finance
Staking
Stargate Finance users can stake their STG tokens and receive VeSTG which allows them to participate in the governance of the ecosystem.
The staking duration in Stargate Finance ranges between 1 to 36 months
Stargate Finance Security
Our meticulous research indicates that Stargate Finance is a secure crypto bridge. It has been audited 3 times by external auditors. The bridge is also controlled by Multisignatures that answer to the governance of the protocol. It also has a two-phase security mechanism known as the Dome and Pre Crime.
These 2 security mechanisms ensure the safety of the protocol.
Stargate Finance Fees
Stargate Finance charges low cross-chain swap fees. Cross-chain swap fees for bridging tokens on this bridge are as low as 0.1%.
Check out our Stargate Finance review for a more details about this cross-chain bridge.
Pros
- It facilitates cross-chain swaps in native assets
- Supports staking
- Undergone external auditing
Cons
- It has a complex architecture reliant on LayerZero
- Limited cryptocurrencies supported
Orbiter Finance: Best Cross Chain Bridge For Swift Transfers for Ethereum Native Assets
Orbiter Finance is a decentralized cross-rollup bridge solution that stands out for its nearly instant transfers for Ethereum native assets and low cost.
It supports cross-rollup transactions between 19 different blockchain networks and supports only 4 cryptocurrencies.
The supported cryptocurrencies are Ethereum, Dai, USD Coin, and Tether USD.
Features
Orbiter Pilot NFT
This is a series of NFTs designed for Orbiter users. Orbiter users are referred to as Orbiter Pilots.
Orbiter NFTs contain 5 classes of Orbiter Pilot roles: The Orbiter Trainee-Pilot NFT, Orbiter Elite-Pilot NFT, Orbiter Pilot NFT, Orbiter Expert-Pilot NFT, and Orbiter Ace-Pilot NFT.
Orbiter Finance Security
Our meticulous research on this bridge indicates that Orbiter Finance benefits from the security of rollups.
The rollups minimize the risk associated with data synchronization between networks and prevent malicious actors from accessing data in transit.
It also has an arbitration mechanism that enables Senders to track and address issues with their transactions.
Orbiter Finance Fees
Orbiter Finance charges a one-time withholding fee to cover gas fees for transactions to the destination network. This fee is determined by the destination network.
That said, trading fees get as high as 0.3%.
If you are considering to use this crypto cross-chain bridge and want to have a more detailed opinion read our Orbit Finance review.
Pros
- It offers nearly instant transfers for Ethereum native assets
- Low-cost transaction
- NFT support
- It supports multiple networks
Cons
- It currently lacks a liquidity provider yield system
- It has been hacked in the past
Hop Protocol: Best Crypto Bridge For Sending Assets Between the L2 and the Ethereum Mainnet
Founded in 2021, Hop Protocol is one of the best cross-chain bridges for facilitating seamless and fast movement of assets through sidechains, Layer 2 solutions, and Layer 1 blockchains.
Hop Protocol supports 5 different blockchain networks and 6 cryptocurrencies.
It has a native token known as the HOP token.
With its trading services, FTX helps retail and institutional traders diversify their crypto trading portfolios. Multiple trading products are available on the platform. FTX services are specifically designed in a way to cater to the needs of professional traders in the market.
Key Features of Hop Protocol
Hop Protocol Native Token
The Hop Protocol native token (HOP) is the native token of the Hop ecosystem. It is a cross-network bridge token transferred from rollup to rollup and is claimed on Layer 2 for the underlying assets.
It is an intermediary bridge token that enables trustless swaps.
Hop Protocol Security
Hop Protocol ensures secure cross-chain transfers using several security measures. It is a non-custodial bridge, users’ funds and liquidity providers in the AMM are not controlled by a single entity.
Hop Protocol has been audited by 3 leading external auditors.
Hop Protocol Fees
Hop Protocol charges different fees, these fees vary based on different factors.
Applicable fees include AMM swap fees (0.04%), bonder fees (0.05-0.30%), destination chain tx fees (dynamic gas fees), and slippage (dynamic).
For a more in depth discover of this crypto bridge, check out our Hop Protocol review.
Pros
- Offers rewards through liquidity pools
- Supports multi-network bridging features
- Supports easy bridging of popular assets between L2 and Ethereum Mainnet
Cons
- Cryptocurrencies supported are limited
Binance Bridge: Best Crypto Bridge For Unlocking Interoperability Between ERC-20 and BEP-2/BEP-20 Tokens
Founded in 2020, the Binance Bridge supports 35 cryptocurrencies and 7 blockchain networks.
It stands out for unlocking interoperability between ERC-20 and BEP-2/BEP-20 tokens.
This enables users to cut down on fees while maintaining the efficiency of the blockchains.
The native token of the Binance Bridge is Binance Coin (BNB).
Key Feature of Binance Bridge
Pegging
Binance Bridge users can use Peg-in and Peg-out to transfer crypto assets in and out of different blockchains.
With the Peg-in method users can exchange native tokens in exchange for the equivalent amount of the pegged tokens in the Binance Smart Chain or Binance Chain.
Peg-out, on the other hand, allows users to swap the pegged tokens for native tokens.
Binance Bridge Security
The Binance Bridge uses the same security standards as the Binance Chain ecosystem.
All transactions are completed devoid of third-party involvement because they can only be completed using a Binance account.
Binance Bridge Fees
The Binance Bridge charges 0.1% in trading fees.
Find out more about this Binance feature reading our detailed Binance bridge review.
Pros
- Offers staking
- Trading fee discounts for staking BNB
- Easy cross-chain transactions
Cons
- Only supports 2 decentralized wallets
- Not available in the United States
Synapse Bridge: Best BlockChain Bridge For Creating Cross-chain Applications
Founded in 2019, Synapse Bridge supports over 50 cryptocurrencies across 16+ EVM and non-EVM blockchains.
Synapse Bridge enables developers to create cross-chain applications that support cross-chain asset swapping natively.
This includes applications like margining systems, lending platforms, derivatives markets, cross-chain DEX, yield aggregators, etc.
Key Features of Synapse Bridge
Synapse Explorer
This is a generic event indexer for all Synapse Bridge events. It gives users a comprehensive overview of every transaction on the Synapse Bridge.
Synapse Bridge Security
Synapse Bridge is one of the most secure cross-chain crypto bridges and one of the very few bridges that have never been hacked or exploited.
It uses a decentralized governance model as well as a security model that involves Guards and Notaries.
Notaries stake a huge number of bonds which deters them from engaging in fraudulent activities while Guards look out for and promptly report any discrepancies.
Synapse Bridge Fees
Synapse charges dynamic fees determined by several factors including the cryptocurrency being transferred cross-chain and the blockchain network.
Synapese is a good bridge, but do not use it before reading the full review about it.
Pros
- Large daily transaction volume
- It has never been hacked
Cons
- Fees are not fixed, they fluctuate depending on market movements
Arbitrum Bridge: Best Cross Chain Bridge for ERC-20 Tokens
The Arbitrum Bridge is a very popular cross-chain bridge and it made it to our list of the best cross-chain bridges for its interoperability with the Ethereum mainnet and the solutions it offers to the constrained network such as reduced gas fees, high EVM compatibility, and increased transaction speeds of up to 40,000 TPS.
Key Features of Arbitrum Bridge
Two Mainnets
Arbitrum, unlike most Layer-2 cross-chain crypto bridges, uses 2 mainnets: Arbitrum Nova and Arbitrum One. And both of these mainnets operate differently.
Arbitrum One ensures that posted transaction data is valid using multiple-round interactive optimistic rollups while Arbitrum Nova uses the AnyTrust model to ensure that transaction data is accurate.
It also can offer low trading fees using the Data Availability Committee security model that provides certificates for correct transactions.
Arbitrum Bridge Security
The Arbitrum Bridge has a permissionless environment that allows anyone to stake the ARB token and become a validator.
Validators are incentivized and mandated to stake assets to ensure compliance with the cross-chain bridge rules.
In the event of malicious behavior exhibited by validators, the Arbitrum cross-chain bridge has mechanisms set to identify and fix all irregularities.
Arbitrum Bridge Fees
As with most cross-chain bridges, the Arbitrum Bridge charges dynamic fees for using its blockchain bridges.
However, it charges an average of $0.25 though fees can get as low as $0.16 depending on network congestion.
To know more about Arbitrum Bridge read our full review.
Pros
- Permissionless environment
- Supports ERC-20 tokens
- Utilizes 2 mainnets
Cons
- Has been hacked in the past
Orbit Bridge: Best Cross Chain Bridge for Dynamic Fees
Orbit Bridge, like other popular cross-chain bridges on this list, enables users to transfer cryptocurrencies across different blockchains (cross-chain interoperability).
It supports more than 19 different blockchain networks and over 100 assets including USDT, ETH, USDC, REN, DAI, ANT, USDT, OMG, TRIX, CELO, and DON.
The cross-chain bridge made it to our list of the top cross-chain bridges for its dynamic trading fees.
Orbit cross-chain bridge charges different fees for each transaction depending on the networks involved. This is a good feature for users who don’t want fixed charges on all transactions.
Key Features of Orbit Bridge
Multi-sig Transaction Consensus
Using this consensus mechanism, the Orbiter cross-chain bridge process involves an operator that sends data and a validator that works hand-in-hand to quickly validate transactions.
The consensus and validation process on Orbit, unlike some cross-chain bridges, are trustless and transparent.
There is also no centralized control on validators for them to complete tasks.
Orbit Bridge Security
The primary security feature of the Orbit Chain is that it is open source. This enables users to create their vaults to deposit assets when bridging tokens on the Orbit Chain with a custom consensus.
Validators also operate without a central authority which provides more decentralization.
Orbit Bridge Fees
The Orbit Bridge charges dynamic trading fees for cross-chain bridging depending on the blockchain networks involved in the transfer. For example:
- From KLAYTN to Ethereum: 40 KLAY in trading fees
- From Orbit to Ethereum: 50 OORC in trading fees
- From AVAX to Ethereum: 0.2 AVAX in trading fees
Then there’s a 0.1% fee of the bridged amount termed the Layer 1 charge on both Ethereum and the Binance Smart Chain.
Orbit is a good Crypto Bridge, but you should read this before using it.
Pros
- Open source
- Trustless and transparent
- Dynamic fees
Cons
- Limited selection of available networks
Multichain: Best Cross Chain Bridge for a Large Selection of Assets
Multichain made it to our list of the top cross-chain bridges for its large selection of supported assets, which is over 1,000 tokens. S
Some of the supported tokens include USDC, Avalanche, BNB, Polygon, and Fantom.
The cross-chain bridge also has a robust staking rewards system that offers contributors governance rights over platform decisions as well as access to the distribution of 45% of earned trading fees quarterly as rewards.
Key Features of Multichain
MULTI is the native token of the Multichain merge bridge and users can stake the crypto to receive veMULTI NFT in rewards.
With veMULTI, which is the MULTI Token in a locked state, holders can participate in Multichain cross-chain bridge governance and get Multichain bridge fees.
The amount of fees a user receives is based on the number of veMULTI they hold.
Multichain Security
Multichain offers a ton of security measures such as being non-custodial (does not store your funds), external audits from time to time, and use of the MPC model for asset safety.
The token bridge also runs a bug bounty program that incentivizes the community on bug discovery.
Multichain Fees
Multichain charges different fees depending on the bridging process.
For example, on Altcoin bridges, Multichain charges a cross-chain bridge fee of 0.1% of the transaction amount while transfers involving mainstream tokens to non-ETH chains attract a $0.9 to $1.9 fee.
For Multichain to ETH transactions, there is a fee of 0.1% with a maximum transaction cost of $1,000.
To know more about this Cross-Chain bridge, check out our Multichain Bridge review.
Pros
- High staking rewards
- Bug bounty program
- A large selection of tokens supported
Cons
- Poor security history
- The founder has been arrested
| CRYPTO BRIDGES | SUPPORTED ASSETS | SUPPORTED NETWORKS | NATIVE TOKEN | FEES |
|---|---|---|---|---|
| Portal Token Bridge | All tokens on supported networks | Celo, Fantom, Injective, Karura, Klaytn, Arbitrium, Acala, Solana, Ethereum, Aptos, Algorand, Aurora, Avalanche, Base, BNB Chain, Moonbeam, Near, Oasis, Optimism, Polygon, Sei, Sui, Terra Classic, Terra, XPLA | Not available | $0.0001 per transaction |
| Across Protocol | ETH, USDC, WETH, USDC, DAI, UMA, ACX, BAL, WBTC | Arbitrium One, Ethereum Mainnet, Base, Optimism, Polygon, ZkSync Era | ACX Token | 0.06% to 0.12% |
| Synapse Protocol | 50+ including USDC, Unidex, Vesta, Pepe, Plutus | Ethereum, Avalanche, Build N Build Chain (BNB), DFK Chain, Canton, Fantom, Klaytn, Aurora, Cronos, Harmony, Dogechain, Moonbeam and Moonriver, Arbitrum, Base, Optimism, Polygon, Boba Chain, and Metis | Synapse Token (SYN) | Dynamic charges |
| Stargate Finance | Ethereum, DAI, USDC, USDT, BUSD, WETH, FRAX, SUSD | Ethereum, Binance Smart Chain, Arbitrium, Optimism, Scroll, Avalanche, Polygon, Fantom, Kava, Linea, Base, and Metis | STG Token | Cross-chain transfer starting from 0.1% |
| Orbiter Finance | Ethereum, USDC, USDT, and DAI | Base, StarkNet, opBNB, Scroll, Arbitrum, Arbitrum Nova, Ethereum, zkSync Era, zkSync Lite, Linea, Mantle, Loopring, Optimism, Polygon, Polygon zkevm, BNB Chain, Zora, Taiko, and ImmutableX | Yes but not yet released | Up to 0.3% |
| Binance Bridge | 35 cryptocurrencies including USDC, USDT, Ethereum, and Bitcoin | BEP2 (BNB Beacon) Chain, BEP20 BNB Smart Chain (BSC), ERC20 (Ethereum Network), TRC20 (TRON Network), EOS (Enterprise Operation System Network), BTC (Bitcoin Network), and BTC (SegWit) (Native Segwite) | BNB (Binance Coin) | 0.1% |
| Orbit Bridge | 100+ including USDT, ETH, USDC, REN, DAI, ANT, USDT, OMG, TRIX, CELO, DON, HANDY, RAI | 20+ including Ethereum, ICON, Orbit Chain, Heco, BNB Chain, Polygon, Ton, Avalanche C-chain, Metadium, Moonriver, Harmony, Gnosis Chain, Ripple, and Klaytn chains | Orbit Chain Token | Different cross-bridging fees for each blockchain |
| Arbitrium Bridge | ETH and ERC-20 tokens | 15+ including Ethereum, Polygon, Avalanche, BNB Chain, and Canto | ARB | Dynamic fees ($0.25) on average |
| Multichain | 1,100+ | Moonbeam, Bota, Harmony, Optimism, Aurora, Moonriver, Cronos, Ethereum, Arbitrium, Avalanche, BNB Chain, Polygon, Fantom, OKC, Gnosis, Heco, Celo, KCC, Bitcoin, Solana and more | Multichain Token | $0.9 to $1.9 per transaction |
| Hop Protocol | Ethereum, USDT, USDC, DAI, Polygon, and HOP | Ethereum blockchain, Optimism, Arbitrum, Gnosis, and Polygon | The Hop Token | Minimum fee ($0.25), Bonder fee (0.05-0.30%), destination chain tx fee ( dynamic gas fees), Slippage (dynamic), AMM swap fees (0.04%) |
What is a Crypto Bridge?
Cross Chain Bridges are protocols that allow users to transfer assets between different blockchains, execute smart contracts and leverage the strengths of different blockchain ecosystems. For example, cross-chain bridges allows users to transfer an asset from Solana to Ethereum.
Is Bridging in Crypto Safe?
Bridging in crypto offers tons of perks, however, it comes with a lot of risks and challenges.
A primary problem is the need to make sure the security and integrity of the bridge serve as a critical point of communication between 2 networks.
How to Choose the Right Crypto Bridge?
There are many cross-chain bridges, so you need to know how to choose the right one, and this involves the following:
- Consider the supported networks
- Know the trading fees per transaction
- Ensure they support the tokens you want to bridge
- Look at their security history
Final Thoughts
Blockchain interoperability remains a significant hurdle within the cryptocurrency ecosystem, and cross-chain bridges, or blockchain bridges, serve as pivotal solutions to this challenge.
Nonetheless, it’s important to recognize that not every cross-chain bridge will suit your particular requirements. To identify the most suitable option for token bridging, refer to the guidelines provided in the “How to Choose the Right Crypto Bridge” section. After careful consideration of these parameters, we conclude that “Portal Token Bridge” is our recommended choice.
FAQ
Most frequent questions and answers
The best cross-chain bridge depends on your specific needs but if you’re looking for low fees then Portal Token Bridge is the best.
A Bridge is a protocol that facilitates blockchain interoperability.
Examples of cross-chain bridges include Across Protocol, Polygon Bridge, Avalanche Bridge, Arbitrium Bridge, and Binance Bridge 2.0.
The safety of cross-chain bridges is individual as some have better security measures than others. Some bridges like Multichain have been hacked while others like Synapse Protocol haven’t.
We always try to provide the most accurate information available, and make sure our team follow through.
If you want to know more about our Crypto Exchanges Review Methodology follow the link below
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