Omni
Omni is a platform for creating and trading custom digital assets and currencies. It is a software layer built on top of the most popular, most audited, most secure blockchain - Bitcoin. Omni transactions are Bitcoin transactions that enable next-generation features on the Bitcoin Blockchain. Our reference implementation, Omni Core is an enhanced Bitcoin core that provides all the features of Bitcoin as well as advanced Omni Layer features. With Omni it's simple to create tokens to represent custom currencies or assets and to transact these via the Bitcoin blockchain. The power and simplicity offered by Omni has helped to make it the leading Bitcoin based token protocol. Decentralized crowdfunding is easy with Omni. Crowdsale participants can send bitcoins or tokens directly to an issuer address and the Omni Layer automatically delivers the crowdfunded tokens to the sender in return - all without needing to trust a third party.
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Merlin Chain
Merlin Chain will bring innovation and utilities on Layer2 with those native Layer1 assets. Merlin Chain offers low fees and high scalability as an EVM-compatible chain, ensuring swift transaction processing and enhancing transaction liquidity. Merlin Chain supports popular Bitcoin protocols such as BRC20, BRC420, Bitmap, Atomicals, Pipe, Stamp, and more, enabling a more extensive user base to interact on Bitcoin Layer2. Merlin Chain has implemented ZK-Rollup to enhance efficiency and scalability, with sequencer nodes responsibly managing data transmission via decentralized Oracles, ensuring transparency and security. Merlin Chain continues its commitment to fair launches and community-driven native innovations on Layer2, dedicated to delivering unique solutions designed for the Bitcoin network and its users.
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Acala
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.
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Bitlayer
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.
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