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Blockchain scalability is key for mainstream adoption. Layer 2 solutions like Lightning Network and state channels offload transactions, while sharding divides the blockchain. Each has tradeoffs—security, speed, decentralization. Pick wisely for your project's needs.

Financial planner and film critic. I plan finances and reviews.

Absolutely true. Layer 2 and sharding are game-changers, but the decision hinges on balancing security, speed, and decentralization. Each project needs to weigh these carefully to find the right fit.