Avail, a modular blockchain focused on unifying Web3 and optimizing data availability for scalable applications, has partnered with dWallet Network to introduce programmable native Bitcoin to rollups in the Avail ecosystem.
Polygon co-founder Anurag Arjun spun off Avail from Polygon in 2023 into a separate entity. Avail was initiated within Polygon Labs in late 2020 and publicly introduced in mid-2021. It has plans to launch its mainnet later in 2024.
Leveraging dWallet’s decentralized multiparty computation (MPC) infrastructure, smart contracts using rollups built on Avail DA will be able to manage native BTC while preserving user ownership programmatically. This approach marks a shift from many Bitcoin L2 solutions that often rely on collusive and risky cross-chain solutions, such as bridges, where users must sacrifice ownership of their BTC.
Per the company, the collaboration aims to harness dWallet’s MPC infrastructure to enhance Bitcoin’s capabilities by enabling the creation of native Bitcoin rollups, ushering in more efficient and secure transactions and operations on the Bitcoin blockchain while supporting a more comprehensive range of functionalities beyond simple transactions.
The integration with the dWallet Network made possible through Avail Nexus, a zero-knowledge coordination rollup embedding validity-proof based light clients and execution-proof aggregation, will also enable developers to power Avail Fusion’s borrowed security from native assets of mature ecosystems, including BTC and ETH.
Furthermore, the dWallet Network integration will facilitate the Fusion Security model when it goes live, empowering users to securely hold their BTC, ETH, or other assets in dWallets and stake them to bolster the safety of the Avail ecosystem while maintaining ownership of their native assets. This introduces the first native multi-chain staking/restaking solution aimed at securing the consensus of a different blockchain.
To implement the dWallet primitive, the dWallet Network utilizes 2PC-MPC, a multiparty protocol invented by its team. This protocol enables the generation of an ECDSA signature in a non-collusive way, requiring participation from both the end-user and a significant number of nodes.
dWallet technology allows a Solidity smart contract on an Avail rollup to create Bitcoin signatures and enables developers to manage a dWallet. Meanwhile, the dWallet Network mandates approval from the Avail rollup smart contract for logic enforcement, requiring users to finalize the signature to prevent collusion and asset theft.
This latest integration aligns with Avail’s goal to “unify Web3,” employing a comprehensive full-stack architecture comprising three solutions: DA, Nexus, and Fusion Security. Avail DA serves as the foundational layer for a diverse ecosystem of rollups, while Avail Nexus employs Avail DA as the trust anchor for ecosystem-wide coordination. Lastly, Fusion Security will offer additional protection to an expanding network of rollups and blockchains, enhancing Avail’s consensus mechanism.
Omer Sadika, Co-founder and CEO of dWallet Network, noted,
“We firmly believe that the future of Web3 is multi-chain, not cross-chain, and together with Avail, we will continue to work tirelessly on making this vision a reality.”
Supercharging the Avail ecosystem with dWallets accelerates the unification of Web3, addresses fragmentation issues, and paves the way for a wholly integrated, secure, and native experience across all Web3 ecosystems, according to the companies.
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