Bitlayer's BitVM: Unlock Smart Contracts on Bitcoin

For over a decade, Bitcoin has been praised for its top-notch security and decentralization. However, the inherent limitations of the (scripting language) make Bitcoin nearly impossible to scale in terms of programmability, especially compared to Ethereum. Bitlayer has changed that with BitVM – a groundbreaking technology that brings advanced smart contracts and trust-minimized operations ( minimizing trust ) to Bitcoin's Layer 2. What is BitVM? BitVM is the (framework) developed by Bitlayer, allowing Bitcoin to execute complex Turing-complete programs – something that was previously thought impossible. The latest version, BitVM2, even further expands this capability. Goal BitVM helps developers deploy decentralized programs and applications (dApps) on Bitcoin, providing an experience comparable to Ethereum while maintaining Bitcoin's original layer of security. Operating mechanism BitVM combine: The opcodes of Bitcoin to maintain security and compatibility. Off-chain computation combined with on-chain verification, thereby simulating Turing-complete logic safely and efficiently. How BitVM operates within Bitlayer The major difference of Bitlayer lies not only in its programming capabilities but also in its security model and performance.

1. Hybrid Proving System ( Bitlayer rollups apply a mechanism that combines two types of proofs: Zero-Knowledge Validity Proofs )ZKPs(: Operators generate validity proofs for Layer 2 states without disclosing unnecessary data. Optimistic Fraud Proofs: All states are considered valid by default unless disputed within a permitted timeframe. This helps reduce the cost of direct on-chain verification.
2. Dispute and Challenge )Dispute & Challenge( BitVM introduces a "challenge game" to protect integrity: Whenever a new state root is posted, a 7-day dispute window will open. Anyone can challenge by staking. In case of a dispute: The challenger must prove the operator's fraud. The operator defends the validity of the state. The losing party will have their stake cut )slashing(, and the reward will belong to the winning party.
3. Strong Security Model Only 1 honest node: The network remains secure if there is only one honest monitoring node. Optimizing rollup operations: When there are no disputes, costly on-chain verification is eliminated, making transactions faster and cheaper. Why is BitVM important? BitVM is not just a technical upgrade, but a turning point in the utility of Bitcoin: Turing-complete programming capability: Developers can build advanced dApps and smart contracts directly on Bitcoin Layer 2. Bitcoin-level security: Every Layer 2 state is securely anchored to Bitcoin Layer 1. Trust-minimized BTC bridge: BitVM opens up a mechanism for safe, decentralized BTC transfer between Bitcoin and Bitlayer – laying the foundation for multi-chain DeFi. Conclusion With BitVM, Bitlayer is reshaping the future of Bitcoin: Bringing the rich programming capabilities of Ethereum to Bitcoin. Combining ZK Proofs and Fraud Proofs for rollups that are both secure and scalable. Activating a decentralized BTC bridge, paving the way for DeFi on the Bitcoin platform. BitVM is not just an upgrade – it is the gateway to a more programmable, decentralized, and trustworthy Bitcoin ecosystem than ever before. 👉 @BitlayerLabs #Bitlayer