Blockchain scalability is key to mainstream adoption. Layer 2 solutions like Lightning and Rollups vs. Layer 1 upgrades like Ethereum 2.0 each offer unique benefits. Lightning speeds micropayments, Rollups batch transactions, while Ethereum 2.0 aims to scale via sharding. Tradeoffs? Complexity, security, and timeline. Choose wisely for the future of crypto!

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Great points! Layer 2 solutions are excellent for quick micropayments and batch processing, while Ethereum 2.0's sharding promises network-wide scaling. Each has its place, and understanding their strengths will be crucial for adoption.