Alpen Labs Collaborates with Starknet to Develop Bitcoin DeFi Bridge for Enhanced Trust
Alpen Labs' 'Glock' Verifier to Bolster Starknet's Security as Execution Layer for Bitcoin Holders
Key Points
- Starknet and Alpen Labs are collaborating to create a secure bridge between Bitcoin and Starknet networks.
- The partnership aims to unlock advanced decentralized finance (DeFi) capabilities for Bitcoin holders on Starknet platform.
Starknet is teaming up with Bitcoin research firm Alpen Labs. Their joint goal is to construct a highly secure, trust-minimized bridge that connects the Bitcoin and Starknet networks.
The partnership was confirmed on October 15. It aims to provide advanced decentralized finance (DeFi) capabilities to Bitcoin holders directly on the Starknet platform.
A New Security Model for Bitcoin
This initiative aims to move away from traditional bridging models, which often introduce significant security vulnerabilities.
According to project details and a technical whitepaper, many existing solutions rely on trusted multisignature setups where signers could collude to steal funds.
To avoid this, Glock uses a two-party computation protocol based on garbled circuits. This design allows for complex verification without revealing private inputs from either chain, eliminating the need for trusted intermediaries.
Starknet’s Bitcoin Scaling Strategy
This collaboration is a crucial part of Starknet’s commitment to scaling Bitcoin. This plan was first outlined in March 2025 as part of its broader “BTCFi on Starknet” initiative.
To further this goal, the Starknet Foundation awarded a grant to Alpen Labs for the development and audit of a shared Glock verifier, intended to be a public good for the wider Bitcoin ecosystem.
This effort is supported by a 100 million STRK incentives program designed to encourage development on the network. Alpen Labs claims its technology is highly efficient, with specific Glock25 variants achieving over 430-550x efficiency versus models like BitVM2.
The new bridge will allow users to stake and borrow their Bitcoin without wrapping the asset. The announcement was met with a positive response from the crypto community.
This development comes as the broader Bitcoin market navigates turbulence. The ecosystem recently experienced a heavy drawdown, underscored by market volatility that led to over $19.35 billion in liquidations.
Despite these challenges, institutional conviction appears to remain, as exemplified by Strategy Inc.’s ongoing corporate accumulation of 220 Bitcoin.
Disclaimer: The content of this article solely reflects the author's opinion and does not represent the platform in any capacity. This article is not intended to serve as a reference for making investment decisions.
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