Cross-Chain Bridges in DeFi — Why Are They So Important?

3 min readJun 15, 2022


What is a cross-chain bridge

A cross-chain bridge may be a tool designed to enable the transfer of tokens between two blockchains. They are the perfect tool to solve the interoperability problem .

Since different blockchain assets aren’t compatible, cross-chain bridges produce artificial derivatives representing associate quality from another blockchain. Two blockchains might have totally different protocols, governance models and rules — however a cross-chain bridge connects them by interoperating firmly.

A cross-chain bridge allows users to :-

  • Move assets across numerous blockchains quick and simply
  • Enjoy low operational problem
  • Leverage the lower gas fees out there on the non-scalable networks
  • Implement decentralized applications across multiple platforms

How do cross-chain bridges work :-

Cross-chain bridges work by exchanging info remotely or domestically. They convey and share prices with alternative networks. once remote bridging happens between two blockchains — say ‘Chain A’ and ‘Chain B’ — the bridge locks the assets in Chain A and generates new assets in Chain B. once the owner of the assets in Chain B desires to recover the assets, they’re going to ought to burn those on Chain B so unlock them on Chain A. However, confine mind that the number and price of the tokens stay constant during this model.

Types of cross-chain bridges

There are two major kinds of bridges presently out there.

Unidirectional bridges :

These bridges are known as unidirectional bridges, and they enable users to transfer assets solely to the target blockchain. Once the assets are transferred to the target blockchain, they can’t become. An associate example of this is often Wrapped Bitcoin, that permits you to send BTC to the Ethereum blockchain however doesn’t enable you to bring the quality to the Bitcoin blockchain.

Bi-directional bridges :

They allow users to freely convert assets to and from blockchains. With Solana, you’ll be able to send SOL to the Ethereum blockchain and send ETH to Solana.

The benefits of cross-chain bridges for DeFi users

Blockchain bridges give numerous functions and have varied edges for DeFi users.

Interoperability — Cross-chains solve the matter of ability at intervals in the blockchain system, and users will transfer assets to alternative blockchains while not sacrificing the benefits of the host network.

Cross-chain collateral — This feature allows DeFi users to transfer assets from a blockchain with very little decentralized applications (such as Bitcoin) to a different blockchain with a developed system (like Ethereum, Cardano or others).

Scalability — Blockchain bridges designed to handle high dealings volumes guarantee bigger measurability. The measurability makes it potential for DeFi developers to deploy their applications and users to relish such services while not discarding the first blockchain’s liquidity and network result.

Efficiency — DeFi users will build and receive micro-transfers quicker with cross-chain bridges while not paying high dealings fees. This is often particularly vital for blockchain play and ecommerce expertise.

Final thoughts

Cross-chain bridges solve numerous issues at intervals in the DeFi system by permitting communication between blockchains. they need varied benefits that enable users to quickly and expeditiously transfer their assets between multiple networks. The cryptocurrency area acknowledges the importance of those cross-chain bridges, that is why most exchanges and blockchains are permitting networks to speak with one another while not requiring intermediaries.


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