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What is DeFi?
Decentralized Finance (DeFi) is a blockchain-based financial ecosystem that provides access to various financial services without intermediaries like banks. Transparency, accessibility, and decentralization make DeFi attractive to users. However, like any new technology, there are risks that are important to consider.
Main Risks in DeFi
1. Technical Risks (Code Vulnerabilities)
DeFi programs operate on smart contracts — code executed on the blockchain. Errors or vulnerabilities in these contracts can lead to attacks. Malicious actors can exploit vulnerabilities to steal funds, making asset recovery extremely difficult.
2. Exploitation Risks (Hacker Attacks)
DeFi protocols often become targets for attacks, such as flash loans. For example, attackers can borrow large amounts of funds, manipulate the market, and repay the loan with profit, harming users.
3. Risk of Loss of Funds Due to Volatility
DeFi services are associated with highly volatile cryptocurrencies, and sudden price fluctuations can lead to significant losses. This is especially important for those who use borrowed funds or trade on margin.
4. Governance Risks and Centralized Elements
Despite decentralization, some projects have hidden centralized elements, such as administrative keys that allow for changes to smart contracts. This creates a risk if access to the keys is compromised.
Examples of Major Losses in DeFi
The DeFi space has faced several significant incidents in recent years. Here are some of them:
Poly Network Project (2021): an attack on the project led to the theft of approximately $600 million, making it one of the largest hacks in DeFi history.
Attack on the Compound Project (2021): a bug in the smart contract led to unauthorized distribution of about $90 million.
Attack on Cream Finance (2021): the protocol lost over $130 million due to a flash loan attack.
How to Protect Your Assets in DeFi
To minimize risks, you can take the following steps:
1. Choose Proven Projects
Evaluate the project's reputation and check for code audits by independent companies. Good projects regularly undergo security audits.
2. Use Hardware Wallets
For storing large sums, use hardware wallets. They protect your funds from hacks and provide an additional layer of security.
3. Avoid Excessive Leverage
In a highly volatile environment, leverage can increase the risk of losses. Maintain balance and do not rely on borrowed funds.
4. Monitor News and Forums
It is important to stay informed about events in the cryptocurrency world. Communities and forums allow you to learn about new risks and potential issues.
5. Diversify Your Portfolio
Do not invest all funds in one project or token. Diversification reduces the risk of losses in case of a hack or project failure.
Conclusion
Although DeFi provides great opportunities, this field also carries significant risks. Understanding and assessing these risks is an important step for successful and safe participation in DeFi.