ChainX

Scale your DApp to Polkadot with Acala, an Ethereum-compatible smart contract platform optimized for DeFi. Acala is the decentralized finance network and liquidity hub of Polkadot. It’s a layer-1 smart contract platform that’s scalable, Ethereum-compatible, and optimized for DeFi with built-in liquidity and ready-made financial applications. With its trustless exchange, decentralized stablecoin (aUSD), DOT Liquid Staking (LDOT), and EVM+, Acala lets developers access the best of Ethereum and the full power of substrate. Access DOT-based assets and derivatives, Polkadot-native decentralized stablecoin, Polkadot ecosystem assets, and cross-chain assets from Bitcoin, Ethereum and beyond. Acala’s chain is customized for DeFi and can continue to upgrade without forks to integrate new features requested from developers. For example, on-chain ‘keepers’ automate protocol execution to better manage risks and improve user experience, or transaction fees payable with virtually any token.

Bitlayer is a “BitVM”-based protocol intended to unlock more of Bitcoin’s full potential by enabling smart, multichain functionality layered on top of Bitcoin. It claims to have over $3 million in deposited BTC, more than $360 million in daily trading volume, and a multichain environment with thousands of users. It offers or plans features such as a Bridge to move assets, a DApp Center, and support for developers via documentation, a multisig wallet, and testnet tools. Bitlayer also presents itself as trusted by multiple partners and investors, has a roadmap, and supports community participation (leaderboards, job opportunities). Key components include protocol tools, security documentation, and explorations into integrating with other chains. The site emphasizes that Bitlayer is designed to facilitate multichain DeFi/DApp deployment on Bitcoin, with infrastructure for token scanning, testnets, and developer resources as central features.