Sidechain architecture refers to a design where a separate blockchain operates alongside a main blockchain, connected via a two-way peg. This setup allows assets to be moved between the main chain and the sidechain, enabling the sidechain to handle transactions with different rules, greater speed, or specialized functionalities. Sidechains reduce congestion and computational load on the primary network, thereby enhancing overall scalability and flexibility. They are crucial for extending the capabilities of existing blockchains without altering their core protocol.
Context
Sidechain architecture is a significant scaling solution for many blockchain networks, though debates persist regarding its security models and decentralization trade-offs. Discussions frequently concern the mechanisms for asset transfer and the trust assumptions involved in securing the two-way peg. Future developments will likely involve more robust and trust-minimized sidechain designs, further improving their utility and adoption across various ecosystems.
Pulsar introduces a novel density-based chain selection rule, enhancing Proof of Stake security and enabling robust sidechain interoperability with Proof of Work systems.
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