Citrea, the first ZK-powered modular rollup built on the Bitcoin network, has officially launched its mainnet. This deployment marks a pivotal moment in the evolution of Bitcoin scaling solutions, enabling generalized computation and complex smart contract execution while maintaining cryptographic security rooted directly in the Bitcoin chain.
Citrea functions as an execution layer, utilizing zero-knowledge proofs (ZK-proofs) to verify state transitions off-chain. Instead of requiring users to trust validators or multisigs, Citrea generates succinct validity proofs for bundled transactions. These proofs are then efficiently committed to the Bitcoin blockchain, typically via specialized scripts, leveraging Bitcoin’s unparalleled security for data availability and final settlement.
The main goal of Citrea is to overcome the inherent limitations of Bitcoin’s script language, allowing developers to build decentralized applications (DApps) and advanced DeFi protocols without compromising decentralization. By adopting a modular rollup architecture, Citrea drastically enhances transaction throughput and reduces costs, effectively turning Bitcoin into a versatile base layer for a new generation of decentralized finance and web applications.
Industry observers anticipate that the successful mainnet launch of Citrea will significantly accelerate development within the broader Bitcoin ecosystem, attracting builders seeking highly secure, verifiable scaling solutions that extend Bitcoin’s functionality beyond its role as a store of value.
Source: ZK-powered Bitcoin Layer 2 Citrea launches mainnet
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