BRblockchain rollupsinbblockchain-rollups.hashnode.dev·Jul 31, 2025 · 3 min readOptimistic vs ZK Rollups: A Deep Dive into Blockchain’s Layer 2 TechAs blockchain adoption accelerates, scalability has become one of the biggest obstacles. Layer 1 networks like Ethereum can only handle a limited number of transactions per second, often resulting in high fees and congestion. To solve this, the block...00