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APRO Oracle specializes in providing comprehensive data support for the Bitcoin ecosystem. It is renowned for being the most widely integrated oracle within this environment. The company's core service involves accurately calculating prices by aggregating data from leading institutional-grade suppliers and exchanges, utilizing the Time-Weighted Average Price (TVWAP) method. APRO Oracle ensures data security through a decentralized network of submitter nodes and partnerships with top-tier security audit firms, allowing clients to verify multiple data points off-chain, minimizing on-chain transactions, and reducing gas costs.

CELL Studio is a technology company specializing in blockchain software development. It primarily focuses on the Bitcoin (BTC) ecosystem, aiming to drive integration and enhance interoperability and scalability. The company's services include exploring Layer Two frameworks, integrating Nostr, facilitating micropayments, and developing intent-based decentralized applications (d-apps).

UniSat is an Open Source Chrome Extension for Bitcoin Ordinals.

B² Network is a Bitcoin Layer 2 network that utilizes ZK rollup and on-chain logical gate commitment verification mechanisms. It is a supplementary network that runs on top of the Bitcoin Network. It also introduces smart contracts to Bitcoin, which could open up new possibilities for DeFi, NFTs, and derivatives.