Polkadot
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Layer 1 (L1) Smart Contract Platform
TRON
Tron is a blockchain-based decentralized operating system much like Ethereum that aims to advance the decentralization of the Internet and its infrastructure.
Layer 1 (L1) Smart Contract Platform
Avalanche
Avalanche is a smart contract blockchain platform. Developers can deploy decentralized applications such as decentralized finance, gaming, NFTs, and much more.
Layer 2 (L2) Smart Contract Platform
Polygon
Polygon (Previously Matic Network) is the first well-structured, easy-to-use platform for Ethereum scaling (Optimistic Rollup chains, ZK Rollup chains) and infrastructure development.