A Deep Dive into Celer’s cBridge: Bridging the Gap in Cross-Chain Liquidity

Rubic
8 min readNov 11, 2024

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TL;DR

  • Celer’s cBridge is a decentralized, non-custodial cross-chain solution that enables fast, secure, and low-cost asset transfers across over 40 blockchain networks.
  • The platform has processed over $14 billion in cross-chain transactions.
  • It employs innovative models like xAsset and xLiquidity to enhance liquidity and streamline transfers while utilizing a robust security architecture with the State Guardian Network.
  • The recent partnership with Rubic expands cBridge’s capabilities, improving multi-chain swapping and interoperability in the DeFi ecosystem.

In the past few years, the web3 ecosystem has evolved to a significant extent. The rise of Layer 2 solutions solves the scalability problem, integrating oracles like chainlink to ensure the best of both worlds, Web2 and Web3. However, one challenge remains pervasive: connecting fragmented ecosystems. Blockchains are often siloed, making it difficult to transfer assets seamlessly across networks. Celer’s cBridge is a solution to this issue, offering a streamlined cross-chain bridge that makes liquidity transfer simple, fast, and cost-effective. Through this blog, we will try to dive into the workings, technology, features, and future potential of Celer’s cBridge in bridging the gap in cross-chain liquidity, ultimately enabling a more interconnected DeFi landscape.

What is Celer’s cBridge?

In the decentralized finance (DeFi) ecosystem, the need for seamless, secure, and cost-effective cross-chain liquidity solutions is more pressing than ever. Celer’s cBridge emerges as a pivotal technology addressing this demand. Designed to facilitate fast, low-cost, and secure transfers across different blockchain networks, Celer cBridge offers both individuals and enterprises a reliable mechanism to bridge assets across chains without sacrificing security or efficiency. It is a decentralized and non-custodial bridge supporting over 40+ blockchain and layer 2 solutions. The bridge has processed more than $14B worth of crypto in cross-chain transfer.

By leveraging Celer Network’s State Guardian Network (SGN) and a decentralized infrastructure, cBridge supports a seamless and scalable experience for cross-chain liquidity transfers. Let’s explore the technological marvel behind cBridge, its unique features, and how it’s paving the way for the future of cross-chain DeFi.

How Does Celer’s cBridge Work?

Celer’s cBridge utilizes advanced bridging technology and a unique architecture to facilitate secure and efficient asset transfers across various blockchains.

The Technology Behind cBridge

At its core, Celer’s cBridge relies on two fundamental bridging models to support cross-chain transfers — xAsset and xLiquidity.

  1. xAsset: This model employs a lock-and-mint mechanism, where tokens are locked on the source chain (Chain A) and minted on the destination chain (Chain B). This process creates a 1:1 pegged version of the asset on Chain B, which can be transferred back to Chain A by burning the minted tokens and releasing the original ones.
  2. xLiquidity: The xLiquidity model serves tokens that are already deployed on multiple chains, managing transfers through liquidity pools. Users deposit tokens into a source-chain pool and withdraw an equivalent amount on the destination chain, achieving swift transfers without compromising asset security.

Architecture of cBridge

The cBridge architecture centers around a decentralized, multi-chain infrastructure that ensures both flexibility and security. Each transaction on the cBridge system is monitored by the State Guardian Network (SGN), which ensures the integrity and authenticity of transfers through a validator-based multi-sig system. The SGN leverages a Cosmos-based blockchain with a consensus mechanism built on the Proof-of-Stake (PoS) model, ensuring a high level of security and trust for users.

Supported Chains and Protocols

Celer cBridge supports a range of blockchain networks, enabling interoperability with popular protocols. This support includes Ethereum, BNB Chain, Polygon, and others, allowing users to move assets seamlessly across multiple ecosystems. The network’s open-source nature also means that it’s highly extensible, making it suitable for supporting new protocols as they emerge.

Key Features of Celer’s cBridge

Celer’s cBridge is packed with features designed to enhance the cross-chain DeFi experience. From fast transfers and liquidity aggregation to intuitive user interfaces and security protocols, cBridge brings a wealth of capabilities to the table.

1. Fast and Low-Cost Cross-Chain Transfers

One of the primary draws of cBridge is its ability to conduct cross-chain transfers at significantly lower costs than traditional bridging solutions.

xAsset Fee Structure

  • Fee = Base Fee + Protocol Fee
  • The Base Fee is paid in the transferred token and covers destination-chain gas costs.
  • The Protocol Fee is 0% to 0.5% of the transfer amount, paid to State Guardian Network (SGN) validators and stakers.

xLiquidity Fee Structure

  • Fee = Base Fee + Protocol Fee
  • The Base Fee covers gas costs, while the Protocol Fee (0% to 0.5% of the amount after conversion) goes to liquidity providers, SGN validators, and stakers.

These fee structures ensure cBridge offers low-cost transfers while rewarding network contributors, making DeFi transfers both efficient and cost-effective.

2. Liquidity Aggregation and Management

The pool-based xLiquidity model on Celer’s cBridge aggregates liquidity from multiple chains, providing users with access to larger pools and deeper liquidity. This model allows users to deposit tokens into a liquidity pool on the source chain and withdraw an equivalent amount on the destination chain. Through this aggregation, cBridge minimizes transaction times and provides users with a more seamless experience.

3. Security Measures in cBridge

Security is a crucial component of Celer’s cBridge architecture. Celer implements two primary security models:

  1. L1-PoS-Blockchain Security: Relying on the Cosmos-based SGN, cBridge achieves high-level security through PoS, which also includes penalty mechanisms for malicious activity.
  2. Optimistic-Rollup Security Model: Inspired by Optimistic Rollups, this model introduces a two-phase commit-confirm pattern, where transactions are “quarantined” for a specific period before being finalized. This layer allows developers and dApps to enhance security by preventing potentially malicious transactions from impacting the network.

Furthermore, cBridge has undergone rigorous audits by industry leaders like CertiK, PeckShield, and SlowMist and offers a $2 million bug bounty, providing an added layer of assurance.

4. User Experience and Interface

With an intuitive user interface and straightforward processes, Celer’s cBridge is accessible to both novice and advanced users. The process of bridging assets is streamlined to ensure that users can navigate the transfer and verification steps with ease, reducing the learning curve often associated with cross-chain transfers.

5. Interoperability with DeFi Applications

Blockchain Interoperability is critical to the success of decentralized finance. Celer’s cBridge supports a wide array of DeFi applications by providing an extensible framework that enables asset transfers and smart contract interactions across multiple blockchain ecosystems. Through its open-source infrastructure, cBridge encourages collaboration, making it easier for dApp developers to create DeFi applications that interact seamlessly across chains.

Why cBridge is Important for the Future of Cross-Chain DeFi

As the DeFi industry grows, the need for interoperability, liquidity, and a seamless user experience becomes more apparent. Celer’s cBridge tackles these issues head-on, presenting a forward-thinking solution for the future of cross-chain DeFi.

Addressing the Interoperability Challenge

In a landscape with diverse blockchain networks, Celer’s cBridge resolves one of DeFi’s biggest challenges: interoperability. By creating an interconnected network of liquidity pools and mapped assets, cBridge facilitates a fluid transfer of value across networks, promoting a more unified DeFi ecosystem.

Expanding Liquidity Across Networks

Through its dual models, xAsset and xLiquidity, Celer’s cBridge expands liquidity across various chains, ensuring that users and developers can access the resources they need for transactions. This level of liquidity is crucial for enabling cross-chain applications to function smoothly.

Reducing Fragmentation in DeFi

One of the drawbacks of the DeFi industry is the fragmentation that exists between various chains. Celer’s cBridge helps mitigate this by acting as a cohesive force, providing a singular, reliable solution for cross-chain transactions. With cBridge, users can enjoy a more unified DeFi experience, reducing the hassle and expense of moving assets across fragmented ecosystems.

Real-World Use Cases

From enabling swift, low-cost transactions for decentralized applications to supporting cross-chain asset transfers for retail users, Celer’s cBridge has proven valuable in a variety of contexts:

  • DeFi Lending Platforms: cBridge allows DeFi lending platforms to transfer collateral assets across chains, ensuring that users can maximize their borrowing power without moving assets manually.
  • NFT Marketplaces: With its support for cross-chain assets, cBridge allows NFTs and fungible tokens to be moved across compatible marketplaces, expanding their utility and accessibility.

Challenges Faced by Celer’s cBridge

While cBridge offers groundbreaking solutions, it also faces certain challenges:

  1. Competition: The growing number of cross-chain solutions means that cBridge must continually innovate to stay relevant.
  2. Scalability: As the DeFi ecosystem grows, cBridge may face scalability challenges in managing a higher transaction volume.
  3. Security Risks: Although highly secure, any cross-chain solution must be vigilant against the ever-evolving threat landscape in DeFi.

Recent Developments and Future Roadmap of Celer’s cBridge

The Celer team has consistently focused on enhancing cBridge’s features, adding support for new chains, and improving the xAsset and xLiquidity models.

Notably, Celer recently launched support for Synapse’s SynETH to enable seamless bridging between Ethereum and other blockchain networks, facilitating broader liquidity access across these platforms. The integration emphasizes Synapse’s goals for secure, efficient cross-chain bridging capabilities within the Ethereum ecosystem.

Furthermore, Celer has integrated with Xterio’s XterBSC Rollup, a Binance Smart Chain layer-2 solution backed by Altlayer. This support allows cBridge users to move BNB tokens between BNB Chain, opBNB, and XterBSC Rollup networks. By supporting the XterBSC Rollup, Celer aims to streamline interoperability for Web3 gaming applications, enabling decentralized applications (dApps) to provide an integrated user experience with seamless cross-chain functionality. This integration is expected to extend to NFT transactions, cross-chain reward claiming, and other features for Web3 gaming platforms in the near future​

Looking ahead, Celer is focused on integrating cBridge with additional blockchains and layer-2 solutions to broaden its reach. The team is also working on enhancing the user experience by streamlining the bridging process and reducing associated costs. Furthermore, there’s an emphasis on bolstering the security of cBridge through ongoing audits and by encouraging community participation in its bug bounty programs.

Celer’s cBridge vs. Other Cross-Chain Solutions

When compared to other cross-chain solutions, Celer’s cBridge stands out in several key areas:

  • Speed and Cost Efficiency: With its unique pricing structure and optimized fee model, cBridge offers faster and more affordable cross-chain transfers.
  • Security Flexibility: Unlike many other solutions, cBridge provides a hybrid security model, allowing users and developers to choose between L1-Blockchain Security and Optimistic-Rollup Security.
  • Liquidity Depth: Through its liquidity aggregation model, cBridge provides deep pools across multiple chains, offering users a more reliable source of liquidity.

Rubic and Celer’s cBridge: A Powerful Cross-Chain Partnership

A recent partnership with Rubic expands the reach of Celer’s cBridge. Together, they aim to provide a more extensive cross-chain experience for users. Rubic’s integration of cBridge technology enhances Rubic’s multi-chain swapping capabilities, while cBridge benefits from an expanded network of liquidity providers. This synergy not only benefits users with better rates but also boosts interoperability within the DeFi ecosystem.

Conclusion: The Role of Celer’s cBridge in the Future of DeFi

Celer’s cBridge has proven itself as a crucial tool for bridging assets across blockchain networks. Its hybrid security models, cost-effective transactions, and support for various DeFi applications make it an indispensable solution for developers and users alike. Whether you’re a DeFi enthusiast, a developer, or an investor, understanding how cBridge operates and its impact on cross-chain interoperability is essential. As Celer continues to innovate and expand its offerings, it remains a pioneering force in advancing the DeFi landscape, one secure, fast, and cost-effective bridge at a time.

As more users and projects adopt cross-chain functionality, Celer’s cBridge and Rubic will undoubtedly play a central role in shaping the future of a more interconnected, accessible, and liquid DeFi ecosystem. Learn more about Rubic’s DeFi ecosystem

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Rubic
Rubic

Written by Rubic

Rubic's Best Rate Finder tool for crypto swaps aggregates 90+ blockchains, 220+ DEXs and bridges, and 15,500+ crypto assets.

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