@faithieeebaby

Day 16— Mastering Ethereum (Consensus) Ethereum handles high costs and slow speed caused by too many users competing to use the network. Because every transaction is processed by all nodes, Ethereum can become expensive and congested. To solve this, Layer 2 solutions are introduced. These are systems built on top of Ethereum that process transactions off the main chain and then send the final results back to Ethereum for security. E.g. rollups, which bundle many transactions together to reduce fees. The key idea is that Ethereum focuses on security and decentralization, while Layer 2 solutions focus on speed and lower costs, allowing the network to scale without losing trust.

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