Blockchain’s Persistent Challenge: The Trilemma, What’s the Solution?

Blockchain’s Persistent Challenge: The Trilemma, What’s the Solution?

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*The article is written in Korean.

<Summary>

The article explains the blockchain trilemma, the challenge of balancing scalability, security, and decentralization, and explores ongoing efforts to address it. Platforms such as Ethereum face issues like slower transaction speeds and higher fees as their ecosystems grow, highlighting the limitations of current blockchain structures.

To overcome these challenges, the industry is actively developing solutions such as:

1. improved consensus mechanisms (e.g., transition from PoW to PoS)
2. sharding
3. Layer 2 solutions (e.g., rollups, sidechains)

However, none of these approaches fully solve the trilemma, as achieving all three properties simultaneously remains difficult.

Ultimately, the blockchain trilemma is still an unresolved issue, and its solution depends on future technological advancements and innovation.