[Gravity Bridge Attacked, Approximately $5.4 Million in Assets Stolen] On May 31, the Cosmos ecosystem cross-chain bridge Gravity Bridge was reportedly attacked due to a suspected signature key leak, resulting in approximately $5.4 million in assets being stolen. The official team confirmed the security incident and suspended bridge services to conduct an investigation. They also requested validators to pause the operation of validation nodes and coordinators, as its contract keys may have been compromised.

The Chairman of the Hong Kong Securities and Futures Commission, Wong Tin Yau, stated that Hong Kong has expanded the scope of licensed institutions' products and services, including professional investor product selection, pilot trading of tokenized products in the secondary market, virtual asset financing services, and regulatory framework for leveraged products. By 2025, the trading volume of 12 licensed virtual asset trading platforms in Hong Kong will reach HKD 640 billion, with a year-on-year increase of three times in the first quarter of this year. The commission income of virtual asset related brokers increased by over 80% year-on-year last year. Hong Kong will optimize the regulatory framework for virtual assets, covering custody, trading, asset management, and investment advisory. The public consultation on the relevant licensing system has been completed, and a bill is planned to be submitted to the Legislative Council in 2026.

According to Onchain Lens monitoring, after a 7-month hiatus, a whale deposited 1504 ETH (worth $3.05 million) into OKX, losing $2.82 million.

[Q1 2026 Crypto Industry Attacks Double, Losses Drop to $496 Million] According to Shard, the number of cyberattacks in the crypto industry doubled year-over-year in Q1 2026, exceeding 80 incidents. However, total losses decreased by 69% year-over-year to $496 million, compared to $1.6 billion in the same period last year. Shard noted that the losses in the same period of 2025 were primarily due to a major theft incident involving approximately $1.4 billion at Bybit. In 2026, attacks were more dispersed, targeting DeFi protocols, infrastructure services, and individual users. In January, 29 attacks occurred, resulting in losses exceeding $392 million; in February, 26 attacks caused losses of over $22 million; and in March, 27 attacks led to losses of over $81 million.

According to Bitcoin.com, Google software engineer Michele Spagnuolo has been charged with commodity fraud, wire transfer fraud, and money laundering. The US Department of Justice stated that he profited over $1.2 million by trading related contracts using confidential Google data through a Polymarket account named "AlphaRaccoon". The case involves internal data from Google's "2025 Search Results", including ranking information for the most searched individuals and the top five searched individuals.