May 27, 2025 — Global – In a groundbreaking development for the Bitcoin ecosystem, Bitlayer, a Bitcoin Layer 2 solution, has reportedly secured 40% of Bitcoin’s global hashrate to support its mission of bringing smart contract capabilities to Bitcoin using zero-knowledge rollup (ZK-rollup) technology.

Bitlayer’s milestone represents a major leap toward expanding Bitcoin’s utility beyond store-of-value, enabling decentralized applications (dApps) to run securely atop the Bitcoin network without compromising its core security or decentralization.

“We’re working toward making Bitcoin programmable at scale. With the support of top miners, we’re one step closer,” said a Bitlayer representative.

Bitlayer leverages zero-knowledge proofs to ensure scalability and privacy, allowing developers to deploy smart contracts similar to those on Ethereum—but secured by Bitcoin’s base layer. The project is inspired by the BitVM architecture, aiming to maintain compatibility with existing Bitcoin infrastructure while opening up new possibilities for builders and users alike.

The team also announced the launch of Bitlayer Alpha Mainnet, inviting developers to begin experimenting with decentralized applications that utilize Bitcoin’s base layer for settlement and Bitlayer for programmability.

Key Features of Bitlayer:

ZK-rollup structure for scalability

Trustless Bitcoin settlement

Developer-friendly environment for deploying dApps

Supported by over 40% of BTC hashrate

This adoption by major mining pools signals growing interest in Layer 2 innovations on Bitcoin, mirroring trends seen with Ethereum’s scaling solutions like Arbitrum and Optimism.

As the competition for smart contract dominance intensifies, Bitlayer’s approach may bridge the gap between Bitcoin’s unparalleled security and the programmability offered by alternative blockchains.

About Bitlayer:

Bitlayer is a Layer 2 protocol built on Bitcoin using zero-knowledge rollups to enable scalable, programmable smart contracts while preserving Bitcoin’s security and decentralization principles.

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Author
Surabh Yadav