We are thrilled to announce that Sui, a leading Layer 1 network and, at the time of writing, the 7th largest Proof-of-Stake protocol according to CoinGecko, is set to become a Bitcoin Secured Network (BSN) as part of Babylon’s Phase 3, scheduled to launch later this year.
This move comes as an expansion of the Sui integration with the Babylon Bitcoin staking protocol announced last year. By becoming a BSN, Sui will inherit Bitcoin security and liquidity, backed by staked native-BTC.
What this means for Sui and the greater decentralized world
The Babylon Bitcoin staking protocol enables Bitcoin holders to secure the Sui network without giving up custody of their BTC.
By staking BTC through the protocol, bitcoin holders help strengthen the Sui network and create an accessible pathway for Bitcoin capital to flow directly into the Sui ecosystem. This integration unlocks new staking rewards, deepens cross-chain functionality, and offers long-term Bitcoin holders a secure way to engage with DeFi opportunities on Sui.
By integrating with Babylon, Sui introduces a new economic primitive: Bitcoin-backed scalability. The combined infrastructure will allow Bitcoin’s liquidity and security to scale alongside Sui’s network, unlocking new dapps and decentralized services secured by Bitcoin.
This integration represents a broader shift in the blockchain industry—where Bitcoin, an asset with approximately $1.5 trillion market value, is extended to secure and empower fast, scalable, programmable blockchain ecosystems like Sui.
For Bitcoin holders, the Babylon Bitcoin staking protocol extends Bitcoin’s utility beyond a store of value and medium of exchange by transforming an idle asset into an active, reward-generating cornerstone of the broader digital economy.
How does the integration work?
Previously, the Babylon Bitcoin staking protocol has integrated with three consensus stacks: Cosmos CometBFT stack, OP stack and the Arbitrum stack. Sui's innovative Mysticeti consensus uses DAG-based parallelized block production to achieve high throughput.
Babylon's integration with Sui showcases our BTC staking protocol's modularity, enabling Bitcoin security across diverse proof-of-stake chains.
About Babylon Labs
Babylon Labs focuses on Bitcoin security-sharing protocols with a vision of building a Bitcoin-secured decentralized world. The latest software development is the world's first trustless and self-custodial Bitcoin staking protocol, which enables Bitcoin holders to stake their BTC on other decentralized systems such as PoS chains, L2s, Data Availability (DA) layers, etc, enabling stakers to earn staking rewards without the need for third-party custody, bridge solutions, or wrapping services. The greater idea is to combine the high security and wide adoption of Bitcoin with the efficiency and scalability of PoS systems, increasing Bitcoin's utility.
For more information about Babylon Labs, a developer of the Babylon Bitcoin staking protocol, please visit:
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About Sui
Sui is a first-of-its-kind Layer 1 blockchain and smart contract platform designed from the ground up to make digital asset ownership fast, private, secure, and accessible to everyone. Its object-centric model, based on the Move programming language, enables parallel execution, sub-second finality, and rich on-chain assets. With horizontally scalable processing and storage, Sui supports a wide range of applications with unrivaled speed at low cost. Sui is a step-function advancement in blockchain and a platform on which creators and developers can build amazing user-friendly experiences. For more information about Sui, please visit https://sui.io.