GitHubGitHub
  • Welcome to Ankr Docs
  • Ankr Build
    • Overview
    • Pricing
    • Products
      • RPC Service
        • Premium Account Operations
        • Blockchain Interactions
        • Hybrid Infrastructure
        • Pricing
      • Advanced APIs/SDKs
        • Advanced API Overview
        • NFT Methods
        • Query Methods
        • Token Methods
        • Multichain JS SDK
      • Ankr Scan
    • Supported Chains
      • Arbitrum
      • Avalanche
      • BNB Smart Chain
      • Celo
      • Ethereum
        • Overview
        • How to
          • Connect Wallet
          • Make Requests
          • Send Transactions
          • Build a Basic DApp
      • Fantom
      • Gnosis
      • Harmony
      • IoTex RPC
      • Moonbeam
      • Near
      • Nervos
      • Polygon
      • Solana
      • Syscoin
    • Extra
      • Getting support
      • Handling Errors
  • App Chains
    • Overview
    • Components
      • RPC Endpoints
      • Validator Nodes
      • TestNet Faucet
      • Block Explorer
      • Staking UI
    • Use Cases
      • Web3 Gaming
    • Affiliated Chains
      • BNB Sidechain
        • Overview
        • Architecture
          • Overview
          • Circulation Model and Native Asset Bridge
          • Native Asset Bridge
          • Fast-Finality and BLS Cryptography
          • System Smart Contracts
          • Governance
          • Runtime Upgrades
        • Security
          • Blockchain and EVM Security
          • System Smart Contracts Security
          • On-chain Security
          • Off-chain Security
        • How to
          • Customize Genesis Config
          • Launch BNB Sidechain
          • Deploy an ERC-20 Token
          • Deploy an ERC-721 Token
        • Staking
        • Demo
        • FAQ
        • Glossary
    • Exchange-Readiness Program
    • Start with App Chains
  • Ankr Staking
    • Overview
    • For Integrators
      • Development Details
        • Avalanche Liquid Staking
        • Binance Liquid Staking
        • Polkadot Liquid Staking
        • Ethereum Liquid Staking
        • Fantom Liquid Staking
        • Kusama Liquid Staking
        • Polygon Liquid Staking
        • Ankr Bridge
        • Ankr Switch
      • Smart Contract API
        • Overview
        • Avalanche Liquid Staking API
        • Binance Liquid Staking API
        • Ethereum Liquid Staking API
        • Fantom Liquid Staking API
        • Polygon Liquid Staking API
      • RESTful API
        • Staking Metrics API
      • SDK
        • Overview
        • Liquid Staking SDK
        • Liquid Crowdloan SDK
      • Oracles
        • Overview
        • PancakeSwap Price Oracle
    • Delegated Staking
      • Ankr
        • Overview
        • Stake
        • Claim or Restake Rewards
        • Unstake
        • FAQ
    • Liquid Staking
      • Overview
      • Avalanche
        • Overview
        • Stake
        • Unstake
        • FAQ
      • Binance
        • Overview
        • Stake
        • Unstake
        • FAQ
      • Polkadot
        • Overview
        • Stake
        • Unstake
        • FAQ
      • Ethereum
        • Overview
        • Stake
        • Unstake
        • FAQ
      • Fantom
        • Overview
        • Stake
        • Unstake
        • FAQ
      • Kusama
        • Overview
        • Stake
        • Unstake
        • FAQ
      • Polygon
        • Overview
        • Stake
        • Unstake
        • FAQ
    • Liquid Crowdloan
      • Overview
    • DeFi
      • Overview
      • Liquidity Pools
      • Yield Farming
      • Vaults
      • FAQ
    • Bridge
      • Overview
      • Bridge Tokens
    • Switch
      • Overview
    • Extra
      • Glossary
      • Principles
      • Audit Reports
      • Validators
      • Liquid Staking Fees
      • Liquid Staking Smart Contract Addresses (MainNet)
      • Liquid Staking Smart Contract Addresses (TestNet)
      • Switching aETHc on BNB Chain
      • Compatible Wallets
      • Micropool Staking
      • Parachain Liquid Crowdloan Market Makers
      • Brand Assets
      • Integrating with Ankr Staking
      • Types of Liquid Staking Tokens
  • Ankr Gaming
    • Overview
    • Unity SDK
      • Overview
      • Setting Up
      • Getting Started
        • Before You Start
        • Connect Wallet
      • Interacting with Blockchain
        • Available Interfaces
        • Interacting with Smart Contract
        • Mint an NFT
        • Read NFT Data
        • Update an NFT
      • How to
        • Subscribe to Events
        • Switch to WebGL
      • SDK Reference
    • Unreal SDK
      • Overview
      • Setting Up
        • Unreal Engine v4
        • Unreal Engine v5
      • Getting Started
        • Before You Start
        • Connect Wallet
        • Write/Read Requests
        • Mint NFT
        • Update NFT
        • View Demo
    • Extra
      • Understanding Token Standards
      • Events and Subscriptions
      • Gas Fees and Gas-free Methods
      • Currency Units
      • C# and Solidity Types Comparison
  • Ankr Learn
    • Overview
    • Basic Tutorials
      • How to Create a Decentralized Application on Ethereum using No-Code
      • How to Build a DAO with Zero Lines of Code
      • Ankr.js (Advanced APIs) React Quickstart Guide
      • Use Filebase To Permanently Store Files To The Interplanetary File System (IPFS)
      • Create A Backend NodeJS IPFS File Uploader With Filebase
      • Configure Your Metamask To Work With Optimism
    • Smart Contract Development
      • Deploy an ERC-721 Smart Contract to Avalanche and Mint an NFT with Ankr, Hardhat, and Ethers.js
      • How to Deploy Your First Polygon NFT with an ERC-721 Solidity Smart Contract and Ankr
      • How to deploy your own ERC-20 token with Ankr & Hardhat on ETH Goerli Testnet
      • Deploy and Mint a CryptoKitties-Like NFT with ERC-721 Smart Contract
      • How To Build An ERC-20 token On Optimism's Lightning-Fast Ethereum L2 Blockchain
      • A Step-by-step Guide to Creating and Deploying a Soulbound NFT Smart Contract
      • Learn How To Build Lendable ERC721 NFTs And Deploy Them On Optimism L2
    • Advanced Tutorials
      • How to build an End-to-End Donation-Based Crowdfunding dApp on Polygon with Ankr
      • Build An NFT Minting Page With RainbowKit & Wagmi
      • Getting Started With Lens Protocol As A Frontend Developer
  • Welcome to Ankr Docs
  • Ankr Build
    • Overview
    • Pricing
    • Products
      • RPC Service
        • Premium Account Operations
        • Blockchain Interactions
        • Hybrid Infrastructure
        • Pricing
      • Advanced APIs/SDKs
        • Advanced API Overview
        • NFT Methods
        • Query Methods
        • Token Methods
        • Multichain JS SDK
      • Ankr Scan
    • Supported Chains
      • Arbitrum
      • Avalanche
      • BNB Smart Chain
      • Celo
      • Ethereum
        • Overview
        • How to
          • Connect Wallet
          • Make Requests
          • Send Transactions
          • Build a Basic DApp
      • Fantom
      • Gnosis
      • Harmony
      • IoTex RPC
      • Moonbeam
      • Near
      • Nervos
      • Polygon
      • Solana
      • Syscoin
    • Extra
      • Getting support
      • Handling Errors
  • App Chains
    • Overview
    • Components
      • RPC Endpoints
      • Validator Nodes
      • TestNet Faucet
      • Block Explorer
      • Staking UI
    • Use Cases
      • Web3 Gaming
    • Affiliated Chains
      • BNB Sidechain
        • Overview
        • Architecture
          • Overview
          • Circulation Model and Native Asset Bridge
          • Native Asset Bridge
          • Fast-Finality and BLS Cryptography
          • System Smart Contracts
          • Governance
          • Runtime Upgrades
        • Security
          • Blockchain and EVM Security
          • System Smart Contracts Security
          • On-chain Security
          • Off-chain Security
        • How to
          • Customize Genesis Config
          • Launch BNB Sidechain
          • Deploy an ERC-20 Token
          • Deploy an ERC-721 Token
        • Staking
        • Demo
        • FAQ
        • Glossary
    • Exchange-Readiness Program
    • Start with App Chains
  • Ankr Staking
    • Overview
    • For Integrators
      • Development Details
        • Avalanche Liquid Staking
        • Binance Liquid Staking
        • Polkadot Liquid Staking
        • Ethereum Liquid Staking
        • Fantom Liquid Staking
        • Kusama Liquid Staking
        • Polygon Liquid Staking
        • Ankr Bridge
        • Ankr Switch
      • Smart Contract API
        • Overview
        • Avalanche Liquid Staking API
        • Binance Liquid Staking API
        • Ethereum Liquid Staking API
        • Fantom Liquid Staking API
        • Polygon Liquid Staking API
      • RESTful API
        • Staking Metrics API
      • SDK
        • Overview
        • Liquid Staking SDK
        • Liquid Crowdloan SDK
      • Oracles
        • Overview
        • PancakeSwap Price Oracle
    • Delegated Staking
      • Ankr
        • Overview
        • Stake
        • Claim or Restake Rewards
        • Unstake
        • FAQ
    • Liquid Staking
      • Overview
      • Avalanche
        • Overview
        • Stake
        • Unstake
        • FAQ
      • Binance
        • Overview
        • Stake
        • Unstake
        • FAQ
      • Polkadot
        • Overview
        • Stake
        • Unstake
        • FAQ
      • Ethereum
        • Overview
        • Stake
        • Unstake
        • FAQ
      • Fantom
        • Overview
        • Stake
        • Unstake
        • FAQ
      • Kusama
        • Overview
        • Stake
        • Unstake
        • FAQ
      • Polygon
        • Overview
        • Stake
        • Unstake
        • FAQ
    • Liquid Crowdloan
      • Overview
    • DeFi
      • Overview
      • Liquidity Pools
      • Yield Farming
      • Vaults
      • FAQ
    • Bridge
      • Overview
      • Bridge Tokens
    • Switch
      • Overview
    • Extra
      • Glossary
      • Principles
      • Audit Reports
      • Validators
      • Liquid Staking Fees
      • Liquid Staking Smart Contract Addresses (MainNet)
      • Liquid Staking Smart Contract Addresses (TestNet)
      • Switching aETHc on BNB Chain
      • Compatible Wallets
      • Micropool Staking
      • Parachain Liquid Crowdloan Market Makers
      • Brand Assets
      • Integrating with Ankr Staking
      • Types of Liquid Staking Tokens
  • Ankr Gaming
    • Overview
    • Unity SDK
      • Overview
      • Setting Up
      • Getting Started
        • Before You Start
        • Connect Wallet
      • Interacting with Blockchain
        • Available Interfaces
        • Interacting with Smart Contract
        • Mint an NFT
        • Read NFT Data
        • Update an NFT
      • How to
        • Subscribe to Events
        • Switch to WebGL
      • SDK Reference
    • Unreal SDK
      • Overview
      • Setting Up
        • Unreal Engine v4
        • Unreal Engine v5
      • Getting Started
        • Before You Start
        • Connect Wallet
        • Write/Read Requests
        • Mint NFT
        • Update NFT
        • View Demo
    • Extra
      • Understanding Token Standards
      • Events and Subscriptions
      • Gas Fees and Gas-free Methods
      • Currency Units
      • C# and Solidity Types Comparison
  • Ankr Learn
    • Overview
    • Basic Tutorials
      • How to Create a Decentralized Application on Ethereum using No-Code
      • How to Build a DAO with Zero Lines of Code
      • Ankr.js (Advanced APIs) React Quickstart Guide
      • Use Filebase To Permanently Store Files To The Interplanetary File System (IPFS)
      • Create A Backend NodeJS IPFS File Uploader With Filebase
      • Configure Your Metamask To Work With Optimism
    • Smart Contract Development
      • Deploy an ERC-721 Smart Contract to Avalanche and Mint an NFT with Ankr, Hardhat, and Ethers.js
      • How to Deploy Your First Polygon NFT with an ERC-721 Solidity Smart Contract and Ankr
      • How to deploy your own ERC-20 token with Ankr & Hardhat on ETH Goerli Testnet
      • Deploy and Mint a CryptoKitties-Like NFT with ERC-721 Smart Contract
      • How To Build An ERC-20 token On Optimism's Lightning-Fast Ethereum L2 Blockchain
      • A Step-by-step Guide to Creating and Deploying a Soulbound NFT Smart Contract
      • Learn How To Build Lendable ERC721 NFTs And Deploy Them On Optimism L2
    • Advanced Tutorials
      • How to build an End-to-End Donation-Based Crowdfunding dApp on Polygon with Ankr
      • Build An NFT Minting Page With RainbowKit & Wagmi
      • Getting Started With Lens Protocol As A Frontend Developer
Give us feedback →Edit this page on GitHub →
  • Ankr Learn
  • Smart Contract Development
  • Learn How To Build Lendable ERC721 NFTs And Deploy Them On Optimism L2
A Step-by-step Guide to Creating and Deploying a Soulbound NFT Smart ContractHow to build an End-to-End Donation-Based Crowdfunding dApp on Polygon with Ankr
© 2022 Ankr All rights reserved