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Smart Contracts
Smart Contracts
- Overview
- Get Started
- Connect to Polkadot
- Explorers
- Faucet
- Polkadot for Ethereum Developers
  Polkadot for Ethereum Developers
- Cookbook
  Cookbook
  - Overview
  - Get Tokens from the Faucet
  - Build Smart Contracts
    Build Smart Contracts
    
    Deploy a Basic Contract
    Deploy a Basic Contract
    
    Remix IDE
    
    Hardhat
    
    Deploy an ERC-20
    Deploy an ERC-20
    
    Remix IDE
    
    Hardhat
    
    Deploy an NFT
    Deploy an NFT
    
    Remix IDE
    
    Hardhat
  - Create a DApp
    Create a DApp
    
    Zero to Hero
  - Port Ethereum DApps
    Port Ethereum DApps
    
    Uniswap V2
- Precompiles
  Precompiles
- Development Environments
  Development Environments
- Libraries
  Libraries
  - Ethers.js
  - Web3.js
  - Web3.py
  - viem
  - Wagmi
- Integrations
  Integrations
  - Wallets
Parachains
Parachains
- Get Started
- Install Polkadot SDK
- Launch a Simple Parachain
  Launch a Simple Parachain
- Customize Your Runtime
  Customize Your Runtime
  - Overview
  - Add Existing Pallets
  - Add Multiple Instances of a Pallet
  - Add Smart Contract Functionality
  - Pallet Development
    Pallet Development
    
    Create a Custom Pallet
    
    Mock Your Runtime
    
    Unit Test Pallets
    
    Benchmark a Custom Pallet
- Test Your Runtime
  Test Your Runtime
  - Fork a Parachain
  - Run a Parachain Network
- Maintain and Upgrade Your Runtime
  Maintain and Upgrade Your Runtime
- Enable Interoperability
  Enable Interoperability
- Integrations
  Integrations
  - Wallets
  - Indexers
  - Oracles
Chain Interactions
Chain Interactions
- Overview
- Build Smart Contracts
- Query On-Chain Data
  Query On-Chain Data
- Send Transactions
  Send Transactions
  - Send a Transaction with SDKs
  - Calculate Transaction Fees
  - Pay Transaction Fees with Different Tokens
  - Send Cross-Chain Transactions
    Send Cross-Chain Transactions
    
    Transfer Assets into Polkadot
    
    Transfer Assets Between Parachains
    
    Estimate XCM Transfer Fees
    
    Debug and Preview XCM Messages
- Manage Tokens
  Manage Tokens
- Manage Accounts
  Manage Accounts
  - Create an Account
  - Query Accounts Information
Node Infrastructure
Node Infrastructure
- Overview
- Run a Node
  Run a Node
  - Polkadot Hub RPC Node
  - Parachain RPC Nodes
  - Relay Chain Nodes
    Relay Chain Nodes
    
    Set Up a Full Node
    
    Set Up a Bootnode
    
    Set Up Secure WebSocket
- Run a Collator
- Run a Validator
  Run a Validator
  - Requirements
  - Onboarding and Offboarding
    Onboarding and Offboarding
    
    Set Up a Validator
    
    Key Management
    
    Start Validating
    
    Stop Validating
  - Operational Tasks
    Operational Tasks
    
    General Management
    
    Upgrade Your Node
    
    Pause Validating
  - Staking Mechanics
    Staking Mechanics
    
    Rewards Payout
    
    Offenses and Slashes
Technical Reference
Technical Reference
- Overview
- Polkadot Hub
  Polkadot Hub
  - Overview
  - Smart Contracts
  - Consensus and Security
    Consensus and Security
    
    Relay Chain
    
    Proof-of-Stake Consensus
    
    Agile Coretime
  - Asset Management
  - Bridging
  - People and Identity
  - Collectives and DAOs
- Parachains
  Parachains
  - Overview
  - Consensus
    Consensus
    
    Overview
    
    Elastic Scaling
    
    Async Backing
    
    Inclusion Pipeline
  - Accounts
  - Blocks, Transactions, and Fees
    Blocks, Transactions, and Fees
    
    Blocks
    
    Transactions
    
    Fees
  - Node and Runtime
  - Interoperability
  - Randomness
  - Cryptography
  - Data Encoding
  - Chain Data
  - Networks
- On-Chain Governance
  On-Chain Governance
  - On-Chain Governance Overview
  - Origins and Tracks
- Glossary
- Tools
  Tools
Get Support
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