What are Layer 2 Solutions? 🔧 Scalability in Blockchain – Layer 2 Solutions: One of the challenges with popular blockchains like Ethereum is scalability. As demand grows, networks become congested and transactions slow down. Layer 2 solutions aim to resolve this by operating off-chain to process transactions faster and cheaper, while still securing them on the main blockchain. 1️⃣ Optimistic Rollups: Transactions are processed off-chain and only submitted to the main chain when finalized. 2️⃣ ZK-Rollups: These solutions compress multiple transactions into a single one, reducing the overall load on the blockchain. 3️⃣ The Future: Layer 2 solutions are essential for scaling decentralized applications (dApps) and decentralized finance (DeFi). ⚡️ Interesting Fact: Popular Layer 2 solutions include Polygon (formerly Matic) and Arbitrum, both aiming to make Ethereum more scalable.