I noticed that DeFi is literally exploding lately. Every day I see new protocols appearing on the market, and the amount of locked assets has already surpassed half a trillion dollars. People are making good profits from this, but few understand how it actually works and what the hidden risks are.

So what is it, DeFi anyway? Essentially, it’s decentralized financial services that operate without intermediaries. Loans, borrowing, cryptocurrency exchanges — all of this can now be done through smart contracts directly on the blockchain. The main difference from traditional finance is that all the rules are transparent and open for verification. Usually, these services are presented as applications on Ethereum or other blockchains.

Everything is built on a simple scheme: protocols attract liquidity from some users so that others can take out loans or swap tokens. They charge fees for this. The more activity, the more money the protocol earns. To attract depositors, protocols offer them a share of the fees plus additional tokens of their protocol as rewards. These tokens, which are later traded on exchanges, create the high yields everyone sees.

But it’s important to be honest: it’s not just that simple. There are two serious risks to pay attention to. The first is hacker attacks on the protocol itself or investing money in outright scams. The second risk is related to the volatility of the cryptocurrencies you invest in. Cryptocurrency prices can drop, and your gains can be wiped out by losses.

Regarding strategies, people usually choose between two approaches. The conservative approach is investing in well-known, proven protocols that have been on the market for a long time. They typically use stablecoins to avoid volatility issues. This approach yields about 12-15% annually under current conditions. The aggressive approach involves risking on new, untested protocols in hopes of earning much more. But it can be dangerous because a new protocol might be vulnerable to attacks or simply disappear with the funds.

In general, what is DeFi from a practical perspective? It’s still a fairly specialized market, mainly for people who already understand cryptocurrencies. You need a crypto wallet, knowledge of how to choose a protocol, and the ability to convert tokens on exchanges. But with the kind of returns DeFi offers, traditional investors are increasingly interested. It could be an entry point for the traditional financial sector into the crypto economy. Over time, more user-friendly solutions will likely appear for conventional investors who want to try this sphere.

Overall, DeFi is an interesting and rapidly growing market, but you need to approach it wisely. Study the protocols before investing, start with well-known projects, and don’t invest more than you’re willing to lose.