@chanzhixin11
Blockchain faces significant scalability challenges in supporting global applications, with Bitcoin processing just 7 TPS and Ethereum 15-30 TPS versus Visa's 24,000 TPS. The trilemma—balancing decentralization, security, and scalability—remains the core obstacle.
Innovative solutions are emerging: Layer 2 protocols like Lightning Network and Optimistic Rollups boost throughput to 2,000-4,000 TPS. Sharding breaks networks into parallel chains (Ethereum's upcoming upgrade promises 100,000 TPS). Alternative consensus mechanisms like DAGs enable faster validation.
While current limitations persist, these advancements suggest blockchain could eventually support mainstream use—from global payments to IoT networks—without sacrificing core principles. The race to solve scalability will determine Web3's real-world impact.
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