How to Build a Cross-Chain Bridge
December 19, 2021
With all the various programmable chains, it’s not a surprise that developers want to connect these with “cross-chain” projects. As
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- Login
- Products
- Moralis Web3 DataWeb3’s most popular indexed blockchain data providerProduct suite
- Moralis StreamsStream real-time blockchain data to your backend via webhooks.
- Moralis AuthenticationAuthenticate all users and any EVM and Solana wallet.
- Network APIsAdvanced real-time blockchain event listenerNetworks
- ChainsSupported blockchain networks
Moralis Web3 DataWeb3’s most popular indexed blockchain data providerProduct suite- NFT APICross-chain NFT transfers, prices and metadata.
- Token APIReal-time price, transfer and ownership token data.
- Balance APINative balance and token balances for user wallets.
- Transaction APIDetailed transaction and log data at your fingertips.
- Events APIPowerful out-of-the-box solutions to fetch logs and events.
- Block APISearch, filter and fetch blocks and its contents.
- DeFi APILiquidity reserves and pair data across multiple blockchains.
- Resolve APIResolve ENS names & unstoppable domains.
- IPFS APIUpload and get your data pinned automatically to IPFS.
Moralis StreamsStream real-time blockchain data to your backend via webhooks.Moralis StreamsStream real-time blockchain data into your backend via webhooks. Ethereum, Polygon, Avalanche, BNB Chain, Fantom, Cronos and all testnets are supported.Moralis AuthenticationAuthenticate all users and any EVM and Solana wallet.Moralis AuthenticationIntegrate cross-chain Web3 authentication into your projects.Network APIsAdvanced real-time blockchain event listenerNetworksEVM APIGet NFT, token & transaction data from EVM chains.
Solana APIFetch user portfolio data from the Solana blockchain.
ChainsSupported blockchain networks- EthereumThe world’s biggest smart contract network
- BNBThe community-centric network with a vibrant ecosystem
- PolygonThe decentralized Ethereum scaling platform with low fees
- AvalancheThe quick and reliable smart contract platform
- SolanaThe Proof of History consensus mechanism smart contract network
- FantomThe high-throughput open-source smart contract platform
- CronosThe EVM layer-1 network for DeFi, GameFi, and metaverse
- ArbitrumThe smart, secure layer-2 scaling network for Ethereum
- PalmThe scalable and sustainable Ethereum-compatible side chain
- OptimismThe layer-2 Optimistic Rollup network for speed, stability, and scalability
- AptosThe blockchain for a production-ready Web3 environment
- EVM APIGet NFT, token & transaction data from EVM chains.
- Solana APIFetch user portfolio data from the Solana blockchain.
- NFT APICross-chain NFT transfers, prices and metadata.
- Token APIReal-time price, transfer and ownership token data.
- Balance APINative balance and token balances for user wallets.
- Transaction APIDetailed transaction and log data at your fingertips.
- Events APIPowerful out-of-the-box solutions to fetch logs and events.
- Block APISearch, filter and fetch blocks and its contents.
- DeFi APILiquidity reserves and pair data across multiple blockchains.
- Resolve APIResolve ENS names & unstoppable domains.
- IPFS APIUpload and get your data pinned automatically to IPFS.
- Chains
- EthereumThe world’s biggest smart contract network
- BNBThe community-centric network with a vibrant ecosystem
- PolygonThe decentralized Ethereum scaling platform with low fees
- AvalancheThe quick and reliable smart contract platform
- SolanaThe Proof of History consensus mechanism smart contract network
- FantomThe high-throughput open-source smart contract platform
- CronosThe EVM layer-1 network for DeFi, GameFi, and metaverse
- ArbitrumThe smart, secure layer-2 scaling network for Ethereum
- PalmThe scalable and sustainable Ethereum-compatible side chain
- OptimismThe layer-2 Optimistic Rollup network for speed, stability, and scalability
- AptosThe blockchain for a production-ready Web3 environment
- ElrondThe scalable, secure and developer-friendly blockchain platform
- For Business
- Resources
- Build Web3 dappsBuild and scale cross-chain Web3 dapps, allowing you to build and connect across a variety of chains.
- DocumentationIntegrate Web3 into any tech stack and follow step-by-step guides and get API endpoint references instantly.
- API ReferenceStart building your Web3 project today with Web3 API endpoints.
- Moralis AcademyThe premier Web3 education platform, with an alumni of over 60,000 students and industry-leading Web3 courses.
- FAQAnswers to all your questions about building the future of Web3 using Moralis.
- Pricing
- BlogThe number one blog for Web3 development. Join hundreds of thousands of readers in unraveling Web3 and learn how to build dapps at blazing speeds with Moralis!
- BlogUnravel Web3 and learn how to build dapps at blazing speeds with Moralis!Editorial
- NewsArticles about the happenings of the blockchain and crypto industry from Moralis.io
BlogUnravel Web3 and learn how to build dapps at blazing speeds with Moralis!Editorial- APICross-chain NFT transfers, prices and metadata.
- Token APIReal-time price, transfer and ownership token data.
- EthereumAll about Ethereum, how to build Ethereum dapps, create Ethereum NFT projects, and much more using Moralis!
- NFTsCreate your own NFT projects in a flash. Get all the inspiration and help you might need in building an NFT project.
- PythonMoralis’ Python SDK allows you to easily integrate Web3 functionality into your Python applications.
- StreamsThe easiest way to get real-time blockchain data via webhooks.
- Web3Keep up-to-date with how to create Web3 projects, launch dapps, build NFT applications, and much more.
NewsArticles about the happenings of the blockchain and crypto industry from Moralis.io- AnnouncementsOne place for all the latest announcements from Moralis. Learn about the latest chain integrations, partnerships, upcoming hackathons, and much, much more!
- FeaturedMoralis regularly ships new features that make life easier for all the developers using Moralis. Here, you can be the latest to take part of the latest Moralis features to supercharge your Web3 development.
- APICross-chain NFT transfers, prices and metadata.
- Token APIReal-time price, transfer and ownership token data.
- EthereumAll about Ethereum, how to build Ethereum dapps, create Ethereum NFT projects, and much more using Moralis!
- NFTsCreate your own NFT projects in a flash. Get all the inspiration and help you might need in building an NFT project.
- PythonMoralis’ Python SDK allows you to easily integrate Web3 functionality into your Python applications.
- StreamsThe easiest way to get real-time blockchain data via webhooks.
- Web3Keep up-to-date with how to create Web3 projects, launch dapps, build NFT applications, and much more.
- Start for Free
- Login
- Products
- Moralis Web3 DataWeb3’s most popular indexed blockchain data providerProduct suite
- Moralis StreamsStream real-time blockchain data to your backend via webhooks.
- Moralis AuthenticationAuthenticate all users and any EVM and Solana wallet.
- Network APIsAdvanced real-time blockchain event listenerNetworks
- ChainsSupported blockchain networks
Moralis Web3 DataWeb3’s most popular indexed blockchain data providerProduct suite- NFT APICross-chain NFT transfers, prices and metadata.
- Token APIReal-time price, transfer and ownership token data.
- Balance APINative balance and token balances for user wallets.
- Transaction APIDetailed transaction and log data at your fingertips.
- Events APIPowerful out-of-the-box solutions to fetch logs and events.
- Block APISearch, filter and fetch blocks and its contents.
- DeFi APILiquidity reserves and pair data across multiple blockchains.
- Resolve APIResolve ENS names & unstoppable domains.
- IPFS APIUpload and get your data pinned automatically to IPFS.
Moralis StreamsStream real-time blockchain data to your backend via webhooks.Moralis StreamsStream real-time blockchain data into your backend via webhooks. Ethereum, Polygon, Avalanche, BNB Chain, Fantom, Cronos and all testnets are supported.Moralis AuthenticationAuthenticate all users and any EVM and Solana wallet.Moralis AuthenticationIntegrate cross-chain Web3 authentication into your projects.Network APIsAdvanced real-time blockchain event listenerNetworksEVM APIGet NFT, token & transaction data from EVM chains.
Solana APIFetch user portfolio data from the Solana blockchain.
ChainsSupported blockchain networks- EthereumThe world’s biggest smart contract network
- BNBThe community-centric network with a vibrant ecosystem
- PolygonThe decentralized Ethereum scaling platform with low fees
- AvalancheThe quick and reliable smart contract platform
- SolanaThe Proof of History consensus mechanism smart contract network
- FantomThe high-throughput open-source smart contract platform
- CronosThe EVM layer-1 network for DeFi, GameFi, and metaverse
- ArbitrumThe smart, secure layer-2 scaling network for Ethereum
- PalmThe scalable and sustainable Ethereum-compatible side chain
- OptimismThe layer-2 Optimistic Rollup network for speed, stability, and scalability
- AptosThe blockchain for a production-ready Web3 environment
- EVM APIGet NFT, token & transaction data from EVM chains.
- Solana APIFetch user portfolio data from the Solana blockchain.
- NFT APICross-chain NFT transfers, prices and metadata.
- Token APIReal-time price, transfer and ownership token data.
- Balance APINative balance and token balances for user wallets.
- Transaction APIDetailed transaction and log data at your fingertips.
- Events APIPowerful out-of-the-box solutions to fetch logs and events.
- Block APISearch, filter and fetch blocks and its contents.
- DeFi APILiquidity reserves and pair data across multiple blockchains.
- Resolve APIResolve ENS names & unstoppable domains.
- IPFS APIUpload and get your data pinned automatically to IPFS.
- Chains
- EthereumThe world’s biggest smart contract network
- BNBThe community-centric network with a vibrant ecosystem
- PolygonThe decentralized Ethereum scaling platform with low fees
- AvalancheThe quick and reliable smart contract platform
- SolanaThe Proof of History consensus mechanism smart contract network
- FantomThe high-throughput open-source smart contract platform
- CronosThe EVM layer-1 network for DeFi, GameFi, and metaverse
- ArbitrumThe smart, secure layer-2 scaling network for Ethereum
- PalmThe scalable and sustainable Ethereum-compatible side chain
- OptimismThe layer-2 Optimistic Rollup network for speed, stability, and scalability
- AptosThe blockchain for a production-ready Web3 environment
- ElrondThe scalable, secure and developer-friendly blockchain platform
- For Business
- Resources
- Build Web3 dappsBuild and scale cross-chain Web3 dapps, allowing you to build and connect across a variety of chains.
- DocumentationIntegrate Web3 into any tech stack and follow step-by-step guides and get API endpoint references instantly.
- API ReferenceStart building your Web3 project today with Web3 API endpoints.
- Moralis AcademyThe premier Web3 education platform, with an alumni of over 60,000 students and industry-leading Web3 courses.
- FAQAnswers to all your questions about building the future of Web3 using Moralis.
- Pricing
- BlogThe number one blog for Web3 development. Join hundreds of thousands of readers in unraveling Web3 and learn how to build dapps at blazing speeds with Moralis!
- BlogUnravel Web3 and learn how to build dapps at blazing speeds with Moralis!Editorial
- NewsArticles about the happenings of the blockchain and crypto industry from Moralis.io
BlogUnravel Web3 and learn how to build dapps at blazing speeds with Moralis!Editorial- APICross-chain NFT transfers, prices and metadata.
- Token APIReal-time price, transfer and ownership token data.
- EthereumAll about Ethereum, how to build Ethereum dapps, create Ethereum NFT projects, and much more using Moralis!
- NFTsCreate your own NFT projects in a flash. Get all the inspiration and help you might need in building an NFT project.
- PythonMoralis’ Python SDK allows you to easily integrate Web3 functionality into your Python applications.
- StreamsThe easiest way to get real-time blockchain data via webhooks.
- Web3Keep up-to-date with how to create Web3 projects, launch dapps, build NFT applications, and much more.
NewsArticles about the happenings of the blockchain and crypto industry from Moralis.io- AnnouncementsOne place for all the latest announcements from Moralis. Learn about the latest chain integrations, partnerships, upcoming hackathons, and much, much more!
- FeaturedMoralis regularly ships new features that make life easier for all the developers using Moralis. Here, you can be the latest to take part of the latest Moralis features to supercharge your Web3 development.
- APICross-chain NFT transfers, prices and metadata.
- Token APIReal-time price, transfer and ownership token data.
- EthereumAll about Ethereum, how to build Ethereum dapps, create Ethereum NFT projects, and much more using Moralis!
- NFTsCreate your own NFT projects in a flash. Get all the inspiration and help you might need in building an NFT project.
- PythonMoralis’ Python SDK allows you to easily integrate Web3 functionality into your Python applications.
- StreamsThe easiest way to get real-time blockchain data via webhooks.
- Web3Keep up-to-date with how to create Web3 projects, launch dapps, build NFT applications, and much more.