Follow the instructions in the ICON documentations for information on some of the following topics:

• xCall sample dApp
• How to Send a Cross-chain Message
• How to setup the local environment
• How to Write a Smart Contract
• How to use the JSON-RPC API

Various tutorials are also available on the ICON Community site

xCall Description

xCall is a general-message-passing interface / framework for cross-chain messaging

• xCall Docs
• What is xCall?
• Awesome ICON list

xCall-connected Networks

• ICON (Berlin)
• Ethereum (Sepolia)
• BSC Testnet
• HAVAH Testnet

Testnet Faucets

• ICON Network Faucet - Be sure to use Berlin test network!