Avalanche is an open-source blockchain platform launched in 2020 by the founders of Ava Labs. The network is designed for high throughput, scalability, and smart contract compatibility, using a unique consensus algorithm. Avalanche allows developers to create custom blockchain networks and run decentralized applications (DApps) securely and quickly. Its native token, AVAX, is used for transaction fees, staking, and governance, and the platform has rapidly become a significant player in DeFi and smart contract ecosystems.