Recently, I’ve been studying blockchain data analysis and found that many beginners are actually quite unfamiliar with the concept of on-chain data, but it’s really the key to understanding the entire ecosystem.

In simple terms, on-chain data refers to all information recorded on the blockchain—transaction details, wallet addresses, block information, basically everything happening on the network is recorded. This data is transparent and tamper-proof, so everyone can verify and check it, which is the core feature of blockchain.

I think many people underestimate the value of analyzing on-chain data. For example, through metrics like transaction volume, active addresses, and network fees, you can gauge the true health of a network. It’s not about price fluctuations, but about how many people are actually using it and how active the transactions are. All of this can be read from on-chain data.

Speaking of practical applications, “whale watching” is particularly interesting—tracking the movements of large holders to see if they are buying or selling, which can sometimes help anticipate market changes. Another is anomaly detection—when large transfers or abnormal transaction volume fluctuations occur, alerts can be issued immediately, which is very important for risk prevention.

Of course, running your own nodes and collecting and analyzing this on-chain data can be a lot of work. Luckily, there are many professional tools available now. Glassnode does a great job; their platform is very user-friendly, and even the free version provides access to a large amount of data, along with a free academy teaching you how to interpret these metrics. Coin Metrics also offers comprehensive market data and on-chain indicators. DappRadar is a great tool for tracking the dapp ecosystem.

I’ve now developed a habit of regularly checking these on-chain data changes, which greatly helps in understanding market trends. Instead of being driven by price swings, it’s better to understand the real state of the network through on-chain data. That’s the foundation for making wise decisions. If you also want to deepen your understanding of how blockchain works, starting with learning on-chain data analysis is a good choice.