On December 24th, Oracle-as-a-Service officially launched on Ethereum, focusing on prediction markets and emerging application scenarios. The news has generated quite a bit of buzz—15,400 views, 157 likes, and 34 shares—but the strategic considerations behind it may be overlooked by many.

Why attack Ethereum at this particular time? Why emphasize prediction markets specifically? There are some details worth unpacking.

Speaking of the current state of the Ethereum ecosystem, although high-performance public chains like Solana and Aptos are also vying for territory, and Layer 2 solutions like Arbitrum and Base are gaining momentum, Ethereum still holds a core position in DeFi and prediction markets. The reasons are quite simple—liquidity depth, user base, and developer community—these cannot be fully built up in just a few years.

In the prediction market track, the leading applications are still rooted in Ethereum and its Layer 2 ecosystem. Although cross-chain deployment exists, the real users, traffic, and liquidity are concentrated on Ethereum. To establish a foothold in this vertical, Ethereum is unavoidable.

Another detail—timing is carefully chosen. By this point, OaaS services have already been deployed on Base, BNB Chain, and Solana, accumulating considerable operational experience. What are developers’ biggest pain points? What pitfalls have they encountered? These lessons can be directly applied to Ethereum, the main battlefield, helping to avoid stumbling through trial and error.