# On-Chain Guides

- [Connect Wallets](https://docs.humanity.org/developer-guides-and-tutorials/on-chain-guides/connect-wallets.md): Connect Web3 wallets to Humanity network for testnet and mainnet interactions.
- [Add Humanity Testnet to Metamask](https://docs.humanity.org/developer-guides-and-tutorials/on-chain-guides/connect-wallets/add-humanity-testnet-to-metamask.md): Configure MetaMask for Humanity testnet: network name, RPC URL, chain ID, currency symbol, and block explorer URL.
- [Add Humanity Mainnet to Metamask](https://docs.humanity.org/developer-guides-and-tutorials/on-chain-guides/connect-wallets/add-humanity-mainnet-to-metamask.md): Configure MetaMask for Humanity mainnet: network name, RPC URL, chain ID, currency symbol, and block explorer URL.
- [Fund Your Wallet](https://docs.humanity.org/developer-guides-and-tutorials/on-chain-guides/fund-your-wallet.md): Get testnet tokens and mainnet funds for deploying contracts and paying gas fees on Humanity network.
- [Fund Your Testnet Wallet](https://docs.humanity.org/developer-guides-and-tutorials/on-chain-guides/fund-your-wallet/fund-your-testnet-wallet.md): Request free testnet tokens from the faucet for development and testing. Includes faucet URL and usage instructions.
- [Fund Your Mainnet Wallet](https://docs.humanity.org/developer-guides-and-tutorials/on-chain-guides/fund-your-wallet/fund-your-mainnet-wallet.md): Acquire mainnet tokens via bridges, exchanges, or direct transfer for production smart contract deployment and gas fees.
- [Deploy an ERC-20 Token on Humanity Testnet using Hardhat](https://docs.humanity.org/developer-guides-and-tutorials/on-chain-guides/deploy-an-erc-20-token-on-humanity-testnet-using-hardhat.md): Complete tutorial: write, compile, test, deploy, and verify an ERC-20 token smart contract on Humanity testnet using Hardhat framework.
- [Verified Airdrop dApp - Reference Implementation](https://docs.humanity.org/developer-guides-and-tutorials/on-chain-guides/verified-airdrop-dapp-reference-implementation.md): Reference dApp demonstrating on-chain credential verification for token airdrops. Only verified humans can claim tokens using proof-of-humanity.
- [Verified Airdrop dApp Overview](https://docs.humanity.org/developer-guides-and-tutorials/on-chain-guides/verified-airdrop-dapp-reference-implementation/verified-airdrop-dapp-overview.md): Architecture overview, smart contract design, frontend integration, end-to-end verification flow, repository links, and setup prerequisites.
- [Smart Contracts Set Up](https://docs.humanity.org/developer-guides-and-tutorials/on-chain-guides/verified-airdrop-dapp-reference-implementation/smart-contracts-set-up.md): Deploy and configure verification oracle, airdrop contract, and credential checking logic for the verified airdrop dApp on testnet.
- [Front End Integration](https://docs.humanity.org/developer-guides-and-tutorials/on-chain-guides/verified-airdrop-dapp-reference-implementation/front-end-integration.md): Build React frontend that connects wallets, checks verification status, calls smart contract functions, and displays airdrop eligibility.


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