Docschevron_rightUnified APIchevron_right Guides GuidesThe following guides show you how to solve a specific problem or use case using the Covalent Unified API.Slide 1 of 5chevron_leftchevron_rightWhat are Multi-Signature Contracts and How Do They Work?What are Multi-Signature Contracts and How Do They Work?This guide walks you through multi-signature contracts, how they work, their role in improving the security of Web3, and popular examples like Safe and Argent.Comprehensive Guide to Bitcoin Wallet Lookup and Transaction TrackingComprehensive Guide to Bitcoin Wallet Lookup and Transaction TrackingLearn how to check BTC wallet balances and track Bitcoin transactions easily using the Covalent API for structured blockchain data.Understanding RPC Communication Protocols in Blockchain: JSON-RPC vs. gRPCUnderstanding RPC Communication Protocols in Blockchain: JSON-RPC vs. gRPCThis guide provides a deep technical comparison of JSON-RPC and gRPC for blockchain use cases, examining serialization, authentication, code generations & more.Building a Coin Flip Game on Ethereum (Part 2) - Deploying the ContractBuilding a Coin Flip Game on Ethereum (Part 2) - Deploying the ContractThis tutorial will guide you through setting up a Hardhat project and deploying a CoinFlip smart contract on the blockchain to make an easy game.Building a Coin Flip Game on Ethereum (Part 3) - Interacting with the ContractBuilding a Coin Flip Game on Ethereum (Part 3) - Interacting with the ContractThis is the third installment of a three-part series on how to build, deploy and interact with a coin flip game on Ethereum that uses account abstraction!What are Multi-Signature Contracts and How Do They Work?What are Multi-Signature Contracts and How Do They Work?This guide walks you through multi-signature contracts, how they work, their role in improving the security of Web3, and popular examples like Safe and Argent.Comprehensive Guide to Bitcoin Wallet Lookup and Transaction TrackingComprehensive Guide to Bitcoin Wallet Lookup and Transaction TrackingLearn how to check BTC wallet balances and track Bitcoin transactions easily using the Covalent API for structured blockchain data.Understanding RPC Communication Protocols in Blockchain: JSON-RPC vs. gRPCUnderstanding RPC Communication Protocols in Blockchain: JSON-RPC vs. gRPCThis guide provides a deep technical comparison of JSON-RPC and gRPC for blockchain use cases, examining serialization, authentication, code generations & more.Building a Coin Flip Game on Ethereum (Part 2) - Deploying the ContractBuilding a Coin Flip Game on Ethereum (Part 2) - Deploying the ContractThis tutorial will guide you through setting up a Hardhat project and deploying a CoinFlip smart contract on the blockchain to make an easy game.Building a Coin Flip Game on Ethereum (Part 3) - Interacting with the ContractBuilding a Coin Flip Game on Ethereum (Part 3) - Interacting with the ContractThis is the third installment of a three-part series on how to build, deploy and interact with a coin flip game on Ethereum that uses account abstraction!What are Multi-Signature Contracts and How Do They Work?What are Multi-Signature Contracts and How Do They Work?This guide walks you through multi-signature contracts, how they work, their role in improving the security of Web3, and popular examples like Safe and Argent.Comprehensive Guide to Bitcoin Wallet Lookup and Transaction TrackingComprehensive Guide to Bitcoin Wallet Lookup and Transaction TrackingLearn how to check BTC wallet balances and track Bitcoin transactions easily using the Covalent API for structured blockchain data.Understanding RPC Communication Protocols in Blockchain: JSON-RPC vs. gRPCUnderstanding RPC Communication Protocols in Blockchain: JSON-RPC vs. gRPCThis guide provides a deep technical comparison of JSON-RPC and gRPC for blockchain use cases, examining serialization, authentication, code generations & more.Building a Coin Flip Game on Ethereum (Part 2) - Deploying the ContractBuilding a Coin Flip Game on Ethereum (Part 2) - Deploying the ContractThis tutorial will guide you through setting up a Hardhat project and deploying a CoinFlip smart contract on the blockchain to make an easy game.Building a Coin Flip Game on Ethereum (Part 3) - Interacting with the ContractBuilding a Coin Flip Game on Ethereum (Part 3) - Interacting with the ContractThis is the third installment of a three-part series on how to build, deploy and interact with a coin flip game on Ethereum that uses account abstraction!