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Understanding Blockchain Scaling: Sidechains, Layer 2s, and Appchains Explained
As blockchain technology evolves, understanding the different solutions designed to enhance speed, scalability, and reduce gas fees is crucial. Here's a breakdown of Sidechains, Layer 2s, and Appchains, and how they differ:
Sidechains
Definition: Independent blockchains connected to a mainnet via a two-way bridge.
Operation: Sidechains use their own consensus mechanisms, maintaining autonomy. If compromised, the mainnet remains unaffected, preserving overall network security.
Examples: Rootstock, Liquid Network (Bitcoin); Gnosis Chain, Polygon (Ethereum).
Layer 2 Solutions (L2s)
Definition: Secondary frameworks built on top of a Layer 1 (L1) blockchain to scale and accelerate transactions.
Operation: L2s depend on L1 for security, executing transactions off-chain while using smart contracts to maintain integrity.
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