Blockchain, the shining beacon of decentralized trust, has always carried a paradox. Its beauty lies in its immutability, transparency, and security. Yet, like the magnificent city with congested streets, it struggles under its own success. Every transaction, smart contract, or data record has to travel the same crowded thoroughfare—the single chain. Bitcoin and Ethereum, as they were originally designed, are inherently limited in throughput. The more users flock to them, the slower and more ...