In 2021, centralization issues in defi protocols were the most frequent attack vector for hackers, according to a recent analysis from Certik, a blockchain security and auditing firm.
According to the corporation, single points of failure were used to steal $1.3 billion. Certik conducted 1,737 smart contract audits, during the year 2021, and discovered 286 instances of separate centralization issues. According to the report:
Centralization is antithetical to the ethos of DeFi and poses major security risks. Single points of failure can be exploited by dedicated hackers and malicious insiders alike.
In November, an attacker used an email with a malicious macro to steal two private keys from BZX, which was one of the protocols that suffered from this type of vulnerability.
At the time, the attacker had control of $55 million from the protocol. This falls within the category of high ownership risks, according to the business.
The report also acknowledges the defi environment’s huge rise in the previous year. According to Certik, the volume traded on crypto exchanges (dex) has tripled, the total value locked in defi-based protocols has quadrupled, and Ethereum fee revenue has increased dramatically. The research admits the following regarding Ethereum’s growth:
There is clearly a voracious appetite for the smart contract-driven decentralized applications that Ethereum enables. DeFi, NFTs, and other applications such as ENS (Ethereum Name System) have all contributed to this growth.
However, because to Ethereum’s scaling issues, a number of competitors have managed to capture a third of Ethereum’s defi supremacy.
According to Certik, the most popular chains picked as alternatives for users’ defi activities were Binance Smart Chain, Solana, Terra, Avalanche, Fantom, and Polygon.
Despite the fact that Ethereum block space is currently trading at a premium, the chain has reached a total value of $153 billion TVL.
However, the decentralization debate has increased as users migrate to other chains. Solana, one of the apparently replacing Ethereum chains, has been experiencing ongoing issues, which its team has formally recognized.
To read our blog on “Over the last ten years, $12.1 billion in cryptocurrency assets have been stolen, Crystal Blockchain analysis findings,” click here.













