Welcome to Financial Refined, your weekly insight into the most basic decentralized Accounting (Defi)-a hot newsletter that provides you with key trends over the past week.

The Defi ecosystem rose at the start of 2023, similar to the broader cryptocurrency market. However, the rising start did not reduce the adverse impact of system vulnerabilities and attacks in 2022.

A new survey notes that Defi is the softest login password ecosystem, with 113 of the 167attacks being the coordinator. Most importantly, blockchain security experts warn that this trend is likely to be repeated in 2023.

In 2023, with a new wallet scam, MetaMASK became the first well-known victim. The wallet address scam, called address poisoning, tried to take advantage of the customer's negligence. Among other Defi system exploit messages, an address associated with the $190 million Xiongnu Bridge vulnerability has transferred $1.57 million from ETH to the approved login password switching valve Tornado Cash.

On January 10, the Kai Lang Network in Taihe County, which handled more than 1.1 million transactions according to the second layer Internet of Ethernet Fong, changed the trading volume of Ethernet Fong greatly.

The top 100 Defi tokens entered the second week with an upward trend, and most tokens set new records for a few weeks.

Project Defi-Type receives maximum number of attacks in 2022: report

In 2022, Web3 and Defi experienced a series of major exploits and attacks, which are no longer secret. From Luoning Bridge attacks to nomadic bridge attacks, the top 10 attacks alone caused more than $2 billion in damage.

A new result from the blockchain Security Alliance, written by Beosin, BuilderDAO, LegalDAO and Footprint Analytics, shows that the root cause of the 167major security incidents last year was that Defi was the most vulnerable. The report is entitled "2022 Global Web3 Security report and encryption Regulatory Compliance study". The new Defi project was attacked 113 times, about 113 times of the total. 67.6% of the attacks were recorded.

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Why there are more and more hacker attacks on Defi this year: blockchain security management

With the latest projects on the market and hackers becoming more and more mature, Defi investors should be fully prepared to exploit system vulnerabilities and attacks.

In an introduction to Cointelegraph's exclusive agent, executives at blockchain security and financial audit firm HashEx, Beosin and Apostro accepted a report on Defi security released by Drofa called "Defi Security Overview 2022".

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Fraud alarm: MetaMak warning data encryption customer address poisoning

In an announcement, data wallet service provider MetaMASK warned customers of an "address poisoning scam" in which attackers could push $0 worth of dynamic passwords to their wallets to "extremely toxic" the history of buying and selling. The fraudster will use the wallet address generated by the vanity address producer and match the first and last character of the victim's wallet address. This also led the unwary consumer to send his assets to the incorrect copycat address.

However, this attempt will not allow hackers to browse customers' wallets, but those who may have formed a good habit of copying their wallet addresses from the trading history before pushing the balance of data assets may send their assets to fake addresses.

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Nomad uses the wallet address to transfer $1.57 million to Tornado Cash

In an alarm, blockchain security firm CertiK stressed that a wallet address associated with Nomad hackers transferred 1200 ETH ($1.57 million) to Tornado Cash, indicating that the attacker may have TX the asset. The hacker transferred 12 batches of 100 ethylhexane to the approved blender.

The Nomad Bridge hacker attack is one of the top ten login password hackers in 2022, losing digital currency worth more than $190 million. On August 1st, more than 100 exploiters swarmed in because of network security problems, consuming the total amount of overpasses locked in a few hours. Last year, a result showed that nearly 90 per cent of hacker participants were copycats who stole $88 million in digital currency.

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Cheerful emotions and hedging arbitrage rotate Tai Fong in the composition of trading volume

There has been an increase in activity on the Etherum layer 2 chain, so that the industry-leading two networks now handle more transactions than the main online Etherum.

In the past three months, the trading volume of the second layer of the Internet, Arirum and Kailang, has increased. By comparison, trading volume on Ethernet networks has fallen by about 33 per cent since mid-late October 2022, according to Ethercan.

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Brief introduction of DEFI sales Market

Dissecting data show that the total market capitalization of Defi has jumped to more than $40 billion in the past week, with a transaction price of about $41.9 billion after writing this article. Cointelegraph Markets Pro and TradingView statistics show that the top 100 tokens in Defi's total market capitalization have mainly risen this week, with most tokens reaching several-week highs.

Lido Dao is the company with the biggest increase on the weekly chart, with prices soaring 52 per cent in the past seven times, slightly less than Avalance (Avax), up 34 per cent. Fantom (FTM) soared 29% on the weekly list, while other tokens in the top 100 names rose by double digits.

Thank you for reading the summary of the most influential Defi continuous development this week. Join us next Friday to get more short stories and opinion education in such a dynamic and sustainable development space.