According to ChainCatcher, data from blockchain security firm PeckShield shows that losses from cryptocurrency hacking incidents in December 2025 amounted to approximately $76 million, a sharp 60% decrease from $194.3 million in November 2025, marking the largest monthly decline of the year. Despite the reduced losses, around 26 major attacks still occurred in December. The largest single incident involved a $50 million misdirected transfer to a malicious address, while another $27.3 million was lost due to a multi-signature wallet's private key leak. Other major attacks included a $22 million loss from babursol, an $8.5 million theft from the Trust Wallet browser extension, and losses of approximately $3.9 million each from Unleash Protocol and Flow.
December Cryptocurrency Hacker Losses Drop 60% to $76M, but Attack Frequency Remains High
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Summary
According to PeckShield, losses in the crypto market from hacker attacks in December 2025 dropped to $76 million, a 60% decrease from the $194.3 million in November. This marked the sharpest decline of the year, although 26 major incidents were still recorded. The largest single incident involved a $50 million transfer to a malicious address, followed by a $27.3 million loss from a multi-signature wallet due to a private key leak. Other attacks included a $22 million loss in babursol, $8.5 million stolen from the Trust Wallet browser extension, and $3.9 million each in Unleash Protocol and Flow. Traders monitoring altcoins should remain cautious, as the frequency of attacks remains high.
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