#layer * Decentralized Exchanges (DEXs): Uniswap, PancakeSwap

* NFT Marketplaces: OpenSea, Rarible

* Blockchain Games: Axie Infinity, Decentraland

* Decentralized Autonomous Organizations (DAOs): Aragon, MakerDAO

In summary, these layers work in concert to create a robust and scalable blockchain ecosystem, addressing the limitations of single-layer designs and pushing the boundaries of what blockchain technology can achieve.