Losses in crypto hacks, exploitation and scams spun $ 2.47 billion in the first half of 2025, but the second quarter saw a decline in the total number of hacks, the Blockchain security firm said.
More than $ 800 million lost in full 144 Q2 incidents, a 52% decrease in amount lost compared In the previous quarter with 59 fewer incidents in hacking, certik Says In a report last Tuesday.
In total, the first half of 2025 saw more than $ 2.47 billion in losses Due to hacks, scams and exploitationrepresenting nearly 3% increase compared to $ 2.4 billion stolen in 2024.
However, considering more than $ 187 million returning to the first half of the year, Certik said the suited sum is closer to $ 2.2 billion.
Most losses from two incidents
Despite the spike in losses, Certik said it was not necessary to “suggest a worsening security landscape” because part of the lion’s losses derived only two incidents against the Crypto Exchange Bybit and Cetus Protocol worth $ 1.78 billion combined.
Attacks take advantage of the weaknesses in Cold Wallet Infrastructure of BybitStopping $ 1.5 billion in Ether (Eth) On February 21, while the Cetus protocol, the main decentralized exchange with the Sui Blockchain, Suffered a $ 225 million hack on May 22th.
“Without those events, the total losses in 2025 would stand for $ 690 million, indicating that the broader trend may not be as serious as the raw numbers indicated,” Certik said.
Assault Attacking Phishing, Ethereum is targeted
PHishing Current Account For the highest number of security incidents this year, with 132 security incidents and $ 410 million stolen.
Overall, purse compromise is the most expensive vector attack in the first half of 2025, with more than $ 1.7 billion stolen from 34 incidents, according to the report.
“As phishing campaigns grow, it is important for users to adopt a strong security habits: avoid clicking unknown links, double-check domain authenticity, enable multifactor validation, and consider using hardware wallets for basic storage,” Certik said.
The Ethereum Blockchain is one of the more popular targets, providing 70 hacks, scams, and exploitation compared to 98 in the first quarter.
“Ethereum’s dominance over decentralized financial activity and intelligent contracts makes it a attractive target, with billions of dollars locked in protocols,” Certik said in a security report for the Q1.
The strict security standard required forward
Beyond the security incidents, Certik said the first half of 2025 was marked by significant global regulation and market development that would likely “shape the future of the industry.”
In the US, President Donald Trump has prompted reforms to the Securities and Exchange Commission who saw the agency I -Drop the many execution actions against crypto companies and enforce other pro-crypto-related laws.
Related: Crypto Seed phrase, front-end hacks drive record losses in 2025: TRM Labs
Meanwhile, meanwhile Hong Kong’s legal council passed A stablecoin bill, which sets the way for a regulated framework and union regulation Framework for crypto, micaentered on December 30th.
“Also, these developments indicate both the growing interest of the institutional and a corresponding regulation of the environment,” Certik said.
“While new capital and participants are flowing into space, maintaining strict security standards will be more important than ever before,” the firm added.
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