Security Incidents

On June 25, Base mainnet experienced a consensus issue that caused an invalid block to be sequenced, halting all block production after block 47806542. Mainnet deposits, withdrawals, block production, and client software operations were all disrupted by the incident. The internal sequencer and

Polish authorities arrested four members of an organized criminal group accused of conducting SIM swap attacks on cryptocurrency exchanges, stealing digital assets, and laundering the proceeds. The operation received support from the U.S. FBI and Homeland Security Investigations. According to

According to Poland's Central Bureau for Combating Cybercrime (CBZC), Polish authorities arrested four members of an organized criminal group accused of carrying out SIM swap attacks on cryptocurrency exchanges, stealing digital assets, and laundering the proceeds. The operation was supported by U.S

Law enforcement froze more than €41 million (approximately $47 million) in criminal cryptocurrency as part of Operation Endgame, Europol announced Wednesday. The two-week multi-country operation dismantled infrastructure behind three malware families—SocGholish, Amadey, and StealC—that steal

According to Europol, on Wednesday law enforcement froze more than €41 million (approximately $47 million) in criminal cryptocurrency assets as part of Operation Endgame. The two-week, multi-country strike dismantled infrastructure behind three malware families—SocGholish, Amadey, and StealC—that st

According to Business Insider citing sources familiar with the matter, Tools For Humanity launched two external legal investigations last year into allegations that company executives misappropriated funds to artificially inflate Worldcoin's price and engaged in regulatory violations in

According to ZachXBT, Polish social engineering attacker Wojtek Kulisz, known online as 'Merry', was recently raided and investigated by Polish law enforcement, with three others also taken into custody. Although official statements did not disclose his name or photos, designer clothing and

According to BlockBeats, the official X account of Gnosis was compromised on June 25, according to reports from community members flagged by security firm PeckShield. Users are advised not to interact with the account or click any links it

According to PANews on June 25, Cardano wallet service provider SecondFi disclosed identification of two attackers responsible for a coordinated automated attack between June 21-23. Attacker A drained 171 wallets across two operations, while Attacker B compromised 203 wallets in a third wave. Second

According to Foresight News, Cardano ecosystem project SecondFi confirmed a security incident occurred recently, with 16 million ADA transferred from 374 addresses. Three transfers were conducted by external attackers. The project does

The U.S. Attorney's Office for the Eastern District of Michigan warned last week that government imposter scams cost victims $917 million in reported losses in 2025, with the Federal Trade Commission receiving more than 375,000 reports involving people posing as government agents. Scammers

According to the U.S. Attorney's Office for the Eastern District of Michigan, government imposter scams cost victims $917 million in reported losses in 2025, with the Federal Trade Commission receiving over 375,000 reports last week. Scammers impersonate federal agents using fake caller IDs,

Ethereum Layer 2 project Taiko published an update on the security incident on June 25: Taiko promises that no user funds will be lost due to this incident; currently, bridged assets are undercollateralized, and full recapitalization will be completed before bridging services resume, ensuring every user balance is 1:1 backed. Ledger CTO Reveals Attack Root Cause: File Accidentally Pushed to GitHub Public Repository Ledger CTO Charles Guillemet publicly explained the full chain of the attack: The

According to ChainCatcher, Taiko announced on June 25 that its security incident will not result in user fund losses. The bridged assets are currently undercollateralized, and the team will complete full collateral replenishment before reopening the bridge to ensure each user balance maintains 1:1 s