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_rightBuilding 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!Building a Coin Flip Game on Ethereum (Part 1) - Web3 Email OnboardingBuilding a Coin Flip Game on Ethereum (Part 1) - Web3 Email OnboardingThis tutorial walks through implementing Web3 email onboarding using Particle Auth for authentication and the Biconomy SDK for handling blockchain transactions.A Deep Dive Into The Architecture of RPC NodesA Deep Dive Into The Architecture of RPC NodesThis guide examines the internal architecture of a typical RPC node, including the client handler, core engine, router, decoders, and encoders.How to Retrieve NFT Metadata for a Single Token Using the Covalent APIHow to Retrieve NFT Metadata for a Single Token Using the Covalent APIThis guide will walk you through the process of retrieving metadata for a single NFT using the Covalent API. Ideal for beautiful NFT displays!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!Building a Coin Flip Game on Ethereum (Part 1) - Web3 Email OnboardingBuilding a Coin Flip Game on Ethereum (Part 1) - Web3 Email OnboardingThis tutorial walks through implementing Web3 email onboarding using Particle Auth for authentication and the Biconomy SDK for handling blockchain transactions.A Deep Dive Into The Architecture of RPC NodesA Deep Dive Into The Architecture of RPC NodesThis guide examines the internal architecture of a typical RPC node, including the client handler, core engine, router, decoders, and encoders.How to Retrieve NFT Metadata for a Single Token Using the Covalent APIHow to Retrieve NFT Metadata for a Single Token Using the Covalent APIThis guide will walk you through the process of retrieving metadata for a single NFT using the Covalent API. Ideal for beautiful NFT displays!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!Building a Coin Flip Game on Ethereum (Part 1) - Web3 Email OnboardingBuilding a Coin Flip Game on Ethereum (Part 1) - Web3 Email OnboardingThis tutorial walks through implementing Web3 email onboarding using Particle Auth for authentication and the Biconomy SDK for handling blockchain transactions.A Deep Dive Into The Architecture of RPC NodesA Deep Dive Into The Architecture of RPC NodesThis guide examines the internal architecture of a typical RPC node, including the client handler, core engine, router, decoders, and encoders.How to Retrieve NFT Metadata for a Single Token Using the Covalent APIHow to Retrieve NFT Metadata for a Single Token Using the Covalent APIThis guide will walk you through the process of retrieving metadata for a single NFT using the Covalent API. Ideal for beautiful NFT displays!