Definition ∞ A sidechain consensus protocol is the set of rules and procedures that allow a sidechain, a separate blockchain linked to a main blockchain, to agree on the validity of its transactions and maintain its own ledger. This protocol ensures the sidechain’s integrity and enables secure two-way transfers of assets between the mainchain and the sidechain. It operates independently while relying on the mainchain for overall security assurances.
Context ∞ Sidechain consensus protocols are a key element in scaling solutions for various blockchain networks, offering increased transaction capacity and specialized functionalities. News often reports on the security models and decentralization properties of different sidechain implementations, highlighting their unique trade-offs. The development of robust and secure sidechain consensus is vital for expanding the utility of digital assets across interconnected networks.
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