Recently, I organized the technical logic of APRO (AT), and the more I think about it, the more interesting it becomes. The key to the whole story isn't about how fast the oracle can run or how many chains it can connect to; the real critical point is whether the "data" it consumes is reliable.

Let's first look at how traditional oracles tend to trip up. These projects often like to boast that they are the "blockchain's data bridge," but in reality, most of them rely on those state-owned enterprise-level data sources—like Bloomberg and Reuters. Sounds impressive, but what's the problem? Once one of these data sources has an issue, the entire network becomes a source of contamination. Moreover, the APIs from these data providers are expensive and arrogant; it’s not surprising if they cut off access at any time, especially for cryptocurrency-related applications.

What’s even more painful is that: RWA (Real-World Asset) is a new approach that involves a wide variety of on-chain data, such as financial reports of listed companies, contractual documents, IoT sensor data… traditional data sources simply can't cover all of these. The industry has long been calling out "what to do about long-tail data," but no one has truly solved it yet.

The team behind APRO aims to make a big splash. They claim to have integrated over 1,400 data sources, sounding like they are working on "decentralizing data sources." This is indeed a promising approach—using redundancy and decentralization to mitigate risks. But immediately, another problem pops up: what is the quality of these 1,400 sources? How do they coordinate? When data conflicts, who has the final say? This is where the real moat lies.

From the protocol layer downward, the network of data sources is the true battleground.