Educational

Over the years, public blockchains have moved from experimental networks used by early adopters to infrastructure handling billions in value. These blockchains have evolved layer by layer. 

Layer 1s were independent chains such as Bitcoin and Ethereum, focused on consensus, security, and decentralization. 

Layer 0 became foundational infrastructure for networks such as Polkadot and Avalanche, enabling multiple blockchains - Layer 1s - to launch and communicate, serving as a shared backbone.

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Understanding Layer 3 Blockchain: How It Works and Why It Matters