Let's understand an interesting idea that explains why some networks become more valuable than others. It's about the so-called Metcalfe's Law — a principle that shows us the exponential nature of value growth as the user base expands.

When I first studied this principle, I was struck by its simplicity and at the same time its depth. The essence is that the value of a network grows not linearly with each new participant, but quadratically. That is, if there are one hundred users in the network, the potential connections are not one hundred, but ten thousand. Add one more user — and the number of possible interactions sharply increases.

This is especially relevant for blockchain and crypto projects. When people talk about network effects, they often mean this very dynamic. Bitcoin, Ethereum, any decentralized platform — all of them follow Metcalfe's Law. Each new node, each new participant makes the network exponentially more valuable and useful.

For this reason, growth strategies for the user base are critically important for any network project. These are not just numbers — they represent a real increase in functionality and attractiveness. That’s why social platforms, messengers, and blockchain networks focus so aggressively on attracting new participants.

When you see a project investing in expanding its ecosystem or working to simplify entry for newcomers, remember Metcalfe's Law. It’s not just marketing — it’s understanding that each additional participant creates an exponential increase in value for the entire network. That’s where the magic of network effects lies.