tBTC has launched on Sui, enabling decentralized, 1:1 Bitcoin-backed assets on a high-performance Layer 1 chain.
Author: Sahil Thakur
tBTC has launched on Sui, enabling decentralized, 1:1 Bitcoin-backed assets on a high-performance Layer 1 chain. Developed by Threshold Network and integrated in collaboration with Mysten Labs and interoperability provider Wormhole, the launch brings over $500 million in decentralized Bitcoin liquidity to the Sui blockchain.
Sui is now the first non-EVM Layer 1 blockchain to support direct minting of tBTC through the Threshold app, offering a new access point for Bitcoin holders seeking capital efficiency and yield generation within a modern DeFi environment.
“This new integration opens another door to accessible, sovereign BTCfi participation,” said Adeniyi Abiodun, Co-Founder and Chief Product Officer at Mysten Labs. “tBTC is expected to bring significant Bitcoin liquidity to Sui, benefiting both institutional and retail participants.”
According to the team, this collaboration represents the convergence of Bitcoin’s decentralization ethos and Sui’s technical innovation. While Bitcoin offers unmatched monetary integrity and security, Sui delivers transaction finality in 400 milliseconds, near-zero fees, and the ability to process up to 297,000 transactions per second.
tBTC, a decentralized and trust-minimized version of , is backed 1:1 by BTC and utilizes threshold cryptography to eliminate the need for centralized custodians. It is already live on multiple chains and is now integrated into , significantly broadening its accessibility and utility.
“Bitcoin was designed to be used, not locked away,” said Callan “Sap” Sarre, Co-Founder at Threshold Labs. “With tBTC on Sui, we are combining threshold cryptography with high-throughput infrastructure to create a new standard for Bitcoin in DeFi.”
The integration enables direct minting of tBTC from native Bitcoin onto Sui, offering users a secure and permissionless way to engage with Bitcoin-based DeFi. tBTC will be deployed across several Sui-native protocols at launch, enabling a wide range of financial use cases:
Since early 2025, Bitcoin-backed assets have grown to represent approximately 10 percent of Sui’s total value locked (TVL). With this integration, tBTC is expected to deepen Bitcoin’s role within the ecosystem and provide new avenues for both institutional and retail users to engage with decentralized finance.
Users can mint tBTC on the Sui Network through the Threshold app by following these steps:
The process typically completes within one to three hours. A full tutorial is available here.
This launch is part of a broader three-month initiative led by a coalition of ecosystem partners focused on building a sustainable Bitcoin DeFi architecture on Sui. Each participant is contributing to this next-generation financial layer:
Both Threshold and Sui share a unified vision: to eliminate the perceived trade-off between decentralization and performance. Together, their integration redefines what Bitcoin can achieve within a modern, scalable DeFi environment.
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