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Crypto & DeFi

Sidechain

A sidechain is an independent blockchain connected to a main chain via a two-way bridge. It operates with its own consensus mechanism and security model but allows assets to move between chains. Unlike L2s, sidechains don't inherit security from the main chain.

Understanding the Concept

• Has its own validators and consensus mechanism • Security is independent from the parent chain • Generally faster and cheaper than mainnet • Bridge security is crucial since it connects the chains

Real-World Example

Polygon PoS is a sidechain to Ethereum. It has its own set of validators running proof-of-stake consensus. You bridge ETH to Polygon, use dApps with near-zero fees, then bridge back. However, if Polygon's validators colluded maliciously, Ethereum couldn't prevent it because Polygon has its own security model.

How Strykr Helps

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