Blockchain security firm Blockaid secured $50 million in a Series A round led by Ribbit Capital and Variant, with backing from Sequoia, Cyberstarts, and Greylock, to enhance fraud prevention in Web3. Meanwhile, DeFi infrastructure startup Cygnus raised $20 million from Polychain Capital and Lightspeed Venture Partners to improve liquidity aggregation and blockchain interoperability. These significant investments reflect growing confidence in blockchain security and decentralized finance despite market volatility. Both companies plan to expand their operations, strengthen technological capabilities, and develop innovative solutions to address security and efficiency challenges in the evolving crypto ecosystem.