If you want to take advantage of various possibilities offered by decentralized finance, you’ll need to use more than one blockchain. To transfer tokens between blockchain platforms, you’ll need to use a bridge. Therefore, in this article, we will discuss the best crypto bridges available at the moment. When choosing the best cross-chain bridges for crypto transfers, we considered liquidity, the number of supported blockchains, interface quality, and other factors.
8 Best Crypto Bridges
It is crucial to note that blockchain bridges have unfortunately become a frequent target for exploits. In fact, some of the biggest attacks and exploits we have seen to date have targeted bridges. Bridging tokens between blockchains is still a relatively new concept, and many implementations have been exposed as having critical vulnerabilities that developers didn't recognize before deploying their bridging solutions.
Hence, when bridging tokens between blockchains, you can exercise some caution and never bridge more than you can afford to lose. Given the history of blockchain bridge hacks, it’s mostly better to err on the side of caution, even when utilizing a popular and reputable bridging solution.
Read also: 10 Best Crypto Exchanges For Day Trading
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Synapse Protocol
Synapse Protocol is a network that enables communication between different blockchains. The network allows any kind of data to be sent across supported blockchains, which allows it to be used for sending NFTs, smart contract calls and other data in addition to tokens.
The Synapse Protocol is the backbone of the Synapse Bridge, which is one of the most popular blockchain bridges on the market today. One of the reasons for its popularity is that Synapse Bridge supports a wide variety of blockchains, including EVM and non-EVM chains. You can use Synapse to transfer tokens to layer 2s, such as Optimism and Arbitrum, as well as layer 1 blockchains, like Fantom and BNB Chain.
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Arbitrum Bridge
Arbitrum is currently by far the most popular layer 2 for Ethereum, according to layer 2 data aggregator L2Beat. It boasts a TVL of $5.9 billion, which is over two times higher than the second-ranked Optimism ($2.7 billion). Bridging crypto assets between the Ethereum mainnet and Arbitrum is becoming an increasingly common task for anyone who’s active in DeFi.
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Portal Token Bridge
The Portal Token Bridge is a cross-chain bridge for crypto that’s based on the Wormhole protocol. When using this bridge, the tokens you are sending are locked using a smart contract, and an equivalent amount of wrapped tokens is created on the destination chain.
One of the Portal Token Bridge’s strongest features is its selection of supported blockchain, which is among the largest among all cross-chain bridges. The bridge supports blockchains that you might not be able to find on many other multi-chain bridges, including Sui, Sei, Near and Aptos. Of course, the Portal Token Bridge also supports more common networks such as Ethereum, BNB Chain, Solana, and Polygon.
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Celer cBridge
The Celer cBridge is a cross-chain crypto bridge developed by the team behind Celer Network. The bridge is powered by the Celer Network blockchain interoperability protocol, which allows developers to create inter-chain decentralized applications.
More specifically, the Celer cBridge uses the Celer State Guardian Network (SGN), which is a Proof-of-Stake blockchain that monitors layer 1 transactions that have implications for layer 2 platforms, and passes information from layer 2 to layer 1 when necessary.
A very impressive aspect of the Celer cBridge is the sheer amount of blockchains it supports, as it can be used to bridge crypto assets between 40 different blockchain networks, ranging from the largest platforms, such as Ethereum and Arbitrum, to more niche networks, such as Canto, Shiden, and Aurora.
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Hop Protocol
Hop Protocol is a solution that specializes in transferring tokens across various Ethereum layer 2s. The protocol is engineered in such a way that moving tokens between supported layer 2s is almost instantaneous. Currently, Hop Protocol supports the Polygon, Gnosis, Optimism, Arbitrum One, Arbitrum Nova, and Base scaling solutions for Ethereum, and it’s arguably the best cross-chain bridge for crypto transfers between Ethereum layer 2s.
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Stargate
The Stargate token bridge supports a variety of EVM-compatible blockchains, including layer 1 and layer 2 platforms. It provides a sleek user interface and also provides estimates for slippage and gas costs so you’ll be able to tell how many tokens you’ll keep once the bridging is completed. You can also set your slippage tolerance before making a transaction in order to avoid losing too much value. On Stargate, you can also stake assets to provide liquidity and earn the protocol’s STG tokens in return. Additionally, STG tokens can be staked to obtain veSTG, which grants holders the right to participate in the protocol’s governance process.
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Connext
Connext offers a cross-chain transfer bridge which is based on the project’s xCall technology. Connext supports various EVM-based layer 1 blockchains, as well as layer 2s such as Optimism and Arbitrum. The Connext bridge can be used to transfer a variety of ERC-20 tokens, as well as the USDC, USDT and Dai stablecoins.
Users can choose between different tokens to pay gas costs on the destination chain, and there is also a slippage tolerance setting that allows users to define the maximum amount of slippage they are willing to accept. However, the liquidity on Connext is currently quite low. This means users who are looking to bridge larger amounts should probably look elsewhere.
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Allbridge
Allbridge is a blockchain bridging platform that offers two main solutions—Allbridge Core and Allbridge Classic. The Allbridge Core product focuses on stablecoins, allowing users to transfer stablecoins between EVM and non-EVM blockchain platforms. This is a valuable tool since many blockchain bridges are only limited to EVM-compatible blockchains. For example, one could use Allbridge Core to swap their USDT tokens on the Ethereum blockchain for USDC tokens on the Solana blockchain.
Read also: 10 Best Crypto Portfolio Trackers List in 2024
If you’re looking for a crypto bridge, you’re in luck because there are plenty of options on the market. Of course, the most important factor in selecting a bridge is ensuring that it supports all of the blockchains to which you want to bridge tokens.
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