I just came across an interesting topic and want to discuss RPC with everyone. This technology actually runs silently in many of our daily systems, but many people might not realize it.

Simply put, RPC allows one program to request services from another computer without having to understand complex network details. It sounds simple, but its power is actually quite significant. Imagine how complicated distributed system development would be without RPC.

Interestingly, this concept was proposed as early as 1981, when it was still a relatively unfamiliar idea. But with the explosive growth of cloud computing and microservices architecture, RPC frameworks have become increasingly important. Google’s gRPC, Microsoft’s DCOM, Sun RPC—these are all major innovations in this field.

Today, RPC is used in a wide range of scenarios. In financial systems, it handles cross-database transactions; in telecom networks, it remotely manages devices; even healthcare systems use it for remote diagnosis. What does this tell us? It shows that this technology has become a fundamental infrastructure of modern system architecture.

In recent years, a particularly noteworthy development is the application of RPC in the blockchain space. JSON-RPC plays a key role in the crypto ecosystem, enabling efficient communication between different nodes, which is crucial for the operation of decentralized applications. The launch of gRPC in 2015 and the further refinement of JSON-RPC in blockchain in 2021 have all driven industry progress.

Honestly, many people using crypto trading platforms or DeFi applications don’t even realize that RPC is supporting all of this behind the scenes. From querying on-chain data to executing smart contracts and real-time price updates, RPC support is indispensable.

That’s why I’ve always believed that understanding these underlying technologies is important. Whether it’s cloud computing or blockchain, RPC is the key that connects everything. As technology becomes more complex, innovations in such foundational infrastructure will only grow more critical. If you’re interested in distributed systems or blockchain technology, RPC is definitely a direction worth exploring deeply.