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We need to discuss a pain point that every blockchain practitioner knows—although blockchains keep meticulous records, they have no idea about the outside world. Stock price fluctuations, real estate transactions, sports results—these events happening off-chain are invisible to the blockchain.
This is where the role of oracles comes in. The job of an oracle is to act as an information transporter, transferring real-world data onto the blockchain. It sounds simple, but the problem is—many on-chain data are not just numbers. Home purchase contracts, financial statements, news reports—how do traditional oracles handle these unstructured pieces of information? Feeding them directly to smart contracts, which simply cannot understand them.
APRO’s approach is a bit different. It doesn’t intend to just be a messenger, but to install an "AI preprocessing system."
The logic is as follows: First, broadly collect data sources, including exchange prices as well as unstructured information like documents and news. Second, AI plays its role here. It uses natural language processing techniques to "understand" this information—comprehending contract terms, analyzing news content, cross-verifying multiple data sources for authenticity. Clearly incorrect or contradictory data are filtered out directly, leaving only information that can stand scrutiny. Third, the AI-verified data then enters a decentralized node network for on-chain consensus and final confirmation.
With this combination, oracles are no longer just simple data channels but truly intelligent information gateways with "comprehension capabilities."