Relay is a cross-chain payments system that enables instant, low-cost bridging and cross-chain execution. It works by connecting users with relayers - financial agents that act on users’ behalfs across chains in exchange for a small fee. Relay is designed to minimize gas costs and execution latency, making it ideal for price-sensitive applications, such as payments, bridging, nft minting and gas abstraction.

Mass is a one-stop DeFi application that provides cross-chain bridge, DEX aggregation, data statistics and more.

Orbiter Finance is a decentralized cross-rollup bridge for transferring Ethereum native assets, providing the infrastructure for Layer 2.In Orbiter Finance, there are two roles they are Sender and Maker. When the Sender initiates a transfer, the Maker provides liquidity for it. The smart contract ensures the security of this process. If the Maker does bad behaviors and the transfer fails, the Sender can initiate an arbitration request to the contract with Maker’s margin and then get the excess compensation.

ChainEye is an open-source, full-chain analysis tool. It currently has features such as BridgeEye (cross-chain bridge comparison tool), On-chain&CEX transfer fee (on-chain & CEX transfer fee query), Multichain Gas (multi-chain gas fee query), and more. In the future, it will develop new features such as security modules and NFT modules. ChainEye promises to provide users with free data services forever and will return the income generated from the tool to the community and users. ChainEye is incubated by Biteye.

Echo is a multifaceted protocol specializing in bridging, restaking, and decentralized finance (DeFi), seamlessly interoperating within the Move ecosystem. Its mission is to enhance BTC liquidity and introduce innovative restaking solutions for BTC assets within Move.

BirdLayer is a full-featured Layer3 platform powered by Arbitrum Orbit. It redefines the cross-chain interactive experience through a user-target-driven mechanism, accurately responds to users' cross-chain instructions, optimizes execution paths, and brings an efficient, low-cost and secure cross-chain experience.

Axelar is a decentralized cross-chain communication network, aiming to level-up interoperability in Web3 by connecting heterogeneous blockchains and enabling asset mobility and program composability in an optimized way for both builders and end-users. The two layers of Axelar are the network and the API above it. At the core of Axelar is a permissionless overlay network that provides Turing-complete cross-chain communication through proof-of-stake and permissionless protocols. On top of the network are APIs and protocols, an application-development layer that developers use to compose across any number of chains. Once integrated, all new interconnected blockchains become interoperable with the application, resulting in limitless network effects.

SWFT Blockchain is a next-generation one-stop cross-chain swap protocol and payment network that offers a mobile wallet with both custodial and non-custodial (decentralized) storage options as well as non-fungible tokens (NFTs) as well as other interesting features like lending and SWFT Pay.

Synapse is a universal interoperability protocol that enables secure cross-chain communication. It connects blockchains by providing an extensible cross-chain messaging protocol that supports assets, smart contract calls, and more. With Synapse, blockchains can securely and easily interoperate with one another, and developers can create truly cross-chain applications, including cross-chain DEXs, lending platforms, margining systems, derivatives markets, yield aggregators, and much more.

Reservoir is a token and NFT trading infrastructure provider. Reservoir’s product suite includes Relay, a bridging and swaps platform for Solana, Bitcoin, Tron, Ethereum Virtual Machine (EVM) chains and rollup networks; Reservoir Swap, a decentralized exchange and token API; and Reservoir NFT, an NFT marketplace and API.

Across is an optimistic cross-chain bridge protocol that enables users to execute transactions between chains almost instantly. This is achieved through the use of an optimistic oracle, bonded relayers, and single-sided liquidity pools.

Meme Bridge is a cross-chain bridge solution designed to seamlessly transfer memes and other digital assets across different blockchain networks.

Kriya is building institutional-grade infrastructure for on-chain trading. The current suite includes an in-app bridge, an AMM swap, and a fully on-chain orderbook for 20x perpetual trading.

Transporter is a secure crypto bridging app, powered by Chainlink CCIP.

LI.FI is a bridge aggregation protocol with DEX connectivity and cross-chain data messaging capabilities. All of these functions will be made available on an API/Contract level, and as a widget for other developers to plug directly into their products.

MultiBit Bridge offers a secure and efficient bridging mechanism to allow for seamless transfers of tokens between the ETH chain, BNB chain, and BTC network. Bridging ERC20 tokens with BRC20 tokens, the MultiBit Bridge enhances the liquidity of BRC20 tokens and promotes the growth and development of the Bitcoin ecosystem.

Poly Network is a global, cross-chain protocol that implements blockchain interoperability and builds Web3.0 infrastructure. It has integrated over 20 blockchains, including Ethereum, Polygon, Avalanche, Fantom, OKC, Neo, Ontology, Zilliqa, and Elrond. Since its launch, the protocol has enabled cross-chain asset transfers totaling more than $16 billion USD.

Rango is a cross-chain DEX aggregator that combines the power of DEX aggregators within blockchains with multiple bridges and cross-chain liquidity providers, giving users access to improved liquidity.

Multichain is a cross-chain routing protocol that meets the distinct needs of different blockchains to communicate with each other. Multichain strives to be the ultimate Router for web3.

Allbridge is a decentralized cross-chain bridge between EVM and non-EVM compatible blockchains, aiming to cover L2 solutions and NFT transfers in the future.

ChainSwap is a cross-chain asset bridge and application hub that enables projects to seamlessly bridge between blockchains.

Beyond is a native Bitcoin L1 interoperability protocol, providing the necessary infrastructure for users to securely bridge any token to, from, and within Bitcoin L1.

Brotocol was born to unify the Bitcoin space and connect it with the wider blockchain world. The project is set to link Bitcoin DeFi to liquidity on Ethereum and other ecosystems, providing access to various chains including BRC20, while also being a key piece of the infrastructure needed to have a "native-like” Bitcoin DeFi experience on L1 for BTC holders.

Butter Network is an Omnichain Interoperability Hub integrated with ZK technology that enables users with global DAPP accessibility and data availability, building an infrastructure that makes transactions transverse across chain to chain freely and securely.

Stargate is a fully composable liquidity transport protocol that lies at the core of Omnichain DeFi. With Stargate, users and dApps can transfer native assets cross-chain while accessing the protocol's unified liquidity pools with instant, guaranteed finality.

Unit is the asset tokenization layer on Hyperliquid, enabling seamless deposits and withdrawals for a variety of assets. Through its first integration, Unit supports the free flow of mainstream crypto assets like BTC, ETH, and SOL between Hyperliquid and their native blockchains.

ChainPort is a cross-chain bridge that leverages smart contracts to port tokens between blockchains.

Comet is an interlink communication protocol between all Bitcoin and Ethereum Ecosystems, designed to provide safe, fast, reliable, and cheap cryptocurrency transfers.

Ordinfinity is a cross-chain, Swap, multi-chain lending and Defi platform that aims to be the router of the Ordinals ecosystem, enabling Ordinals assets to be transferred between multiple chains.

UniPort is an ominichain interoperability protocol that seamlessly integrates Bitcoin ecosystem assets (BRC20/RGB20/Taproot Assets, etc.) into the smart contract ecosystem. This enables the transfer of assets to Ethereum or other EVM-compatible networks, with future plans to support non-EVM-compatible networks. UniPort will significantly unleash the liquidity of Bitcoin assets, facilitating diversified empowerment of these assets.