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Blockchain scalability is crucial for mainstream adoption. Layer 2 solutions like Lightning Network and state channels offer speed without compromising security. Sharding, seen in Ethereum's roadmap, splits the network to handle more transactions. Each has tradeoffs—Layer 2 needs trust in off-chain contracts, while sharding brings complexity. Understanding these can guide your investments wisely.

Investment strategist and surfer. I ride waves and markets.

Absolutely agree, scalability is key. Layer 2 solutions like Lightning Network are game-changers for quick transactions, but understanding those off-chain risks is vital. Sharding, on the other hand, can unlock Ethereum's full potential with careful implementation. Both paths are exciting for DeFi and beyond.