MetaBitcoin Network has introduced Meta-Rollup, a groundbreaking Rollup technology designed for UTXO networks. This innovation enables the integration of critical data and block information from Bitcoin sidechains into the Bitcoin mainchain through a specialized data format. By doing so, Meta-Rollup unifies all UTXO networks, including Bitcoin, Litecoin, and Dogecoin, regardless of their layer or sidechain status, into a single, time-synchronized ecosystem. This breakthrough eliminates the fragmented “parallel universe” state of UTXO networks, enabling seamless cross-chain interactions and asset transfers.
The Significance of Meta-Rollup
Meta-Rollup is a cornerstone of MetaBitcoin Network’s vision to create a dynamically extensible network linking Bitcoin with other UTXO systems. Once operational, it synchronizes block time sequences between Bitcoin’s mainchain and sidechains, while other UTXO transactions are encapsulated into the mainchain via Merkle hashing. This lays the foundation for diverse cross-chain applications, fostering a unified ecosystem where networks can leverage each other’s strengths.
Key Features of Meta-Rollup
Meta-Rollup introduces several innovations, particularly novel in the Bitcoin ecosystem:
 1. Multi-UTXO Chain Support: Enables simultaneous Rollup of multiple UTXO chains to the mainchain.
  2. Flexible Rollup Intervals: Allows adjustable Rollup interval settings, with a default of 144 blocks.
  3. Rollup-as-a-Service: Provides permissionless access to Rollup data for third-party applications.
  4. MetaID Protocol Integration: Utilizes a flexible data format for diverse applications, with identity information binding capabilities.
MetaBitcoin Network
MetaBitcoin Network aims to create a unified UTXO ecosystem by linking Bitcoin with other UTXO networks. Collaborating with MetaID, a Bitcoin-centric Web3 DID protocol, the network plans to develop a seamless cross-chain bridge and Web3 content ecosystem. With Meta-Rollup as its foundation, this initiative promises to revolutionize interoperability across UTXO networks.
For more details: https://docs.metaid.io, https://www.metabitcoin.network/en#what, https://www.metaso.network
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