When it comes to Layer2 scaling solutions, many people's attention has been on the new stars of recent years. But in fact, there is an old player who has been in this track since 2017, going through multiple rounds of technological iteration and market testing, and has recently made quite a splash—yes, Plasma.

I have spent a lot of time studying its latest technological developments and white paper. To be honest, the capabilities of this project are underestimated. Today, I will break down exactly what makes it strong.

**Underlying Technology: How to Be Both Safe and Fast**

Plasma uses the Optimistic Rollup solution, which sounds complicated, but the core logic is actually quite clever. It doesn't reinvent the wheel but inherits the security guarantees of the Ethereum mainnet—all transactions are ultimately anchored on Ethereum, which avoids the "trust loopholes" that are common in other sidechains.

The key is its throughput. By batching a large number of transactions and submitting them together to the mainnet, this approach directly reduces the gas fee per transaction to less than 1/10 of the original. Cutting 90% of the costs is no exaggeration. For Ethereum users who are often tormented by high gas fees, this is a real relief.

**Performance Upgrade: From Minutes to Seconds**

What truly stands out is Plasma's "Lightning Confirmation" technology launched in 2024. Transaction confirmation time has been cut from over 10 minutes to under 3 seconds—this is not a minor improvement but a qualitative leap.

In practical applications, what does this mean? Scenarios like NFT transactions and GameFi, which have strict speed requirements, become especially attractive with Plasma. Compared to other Layer2 solutions, Arbitrum's average confirmation time is 12 seconds, and Plasma has already pulled ahead. In a world of high-frequency interactions, a one- or two-second difference can sometimes be the key to victory.