SecondFi will wind down after a $2.6 million ADA theft, while users still await recovery tools that were initially expected within weeks of the exploit. Cardano-based wallet SecondFi is preparing to shut down after a security breach exposed issues around wallet security and left hundreds of users awaiting recovery options. SecondFi said it will wind down SecondFi and Yoroi wallet services after attackers stole about 16.1 million ADA, worth roughly $2.6 million, due to a cryptographic flaw in its wallet software, according to an update published on Wednesday. The platform said an independent investigation by blockchain intelligence provider Groom Lake identified a sophisticated external actor behind the attack and found indicators potentially linked to North Korea’s Lazarus Group, although no attribution has been confirmed. It added that the breach affected 374 wallets. Read more
Galaxy pledged up to $5 million in grants for developers working on Bitcoin’s quantum security and elected a council of quantum-advisory experts to research quantum-resistant migration solutions. Galaxy Digital has pledged up to $5 million in grants to open-source developers building post-quantum cryptography for Bitcoin. The company also formed a quantum advisory council under its Bitcoin Quantum Readiness Initiative, which it announced Tuesday. The council includes Barry Sanders, professor and scientific director of Quantum City at the University of Calgary; Damien Bérubé, an MIT Sea Grant Knauss fellow; and Eran Tromer, professor of computer science at Boston University. The grants will fund quantum-resistant upgrade proposals, post-quantum cryptography, Bitcoin signature schemes, wallet and custodian migration tooling and formal security audits. Read more
US spot Bitcoin ETFs extended their inflow streak to six sessions, bringing in about $930 million while remaining down $4.84 billion on a net basis year to date. US-listed spot Bitcoin exchange-traded funds (ETFs) recorded their sixth consecutive day of net inflows on Tuesday, adding $203.1 million. The Bitcoin ETFs attracted about $930 million over the six-session streak, their longest run of consecutive inflows since April, according to SoSoValue data. The inflows came as Bitcoin traded above $65,000 and briefly climbed to $66,700 on Tuesday. At publication, Bitcoin traded at $65,802, up about 2% over the previous 24 hours, according to CoinGecko. Read more
The attack allowed the exploiter to liquidate multiple Bitcoin-backed vaults before swapping the assets for profit. Update July 22 at 4:37 am UTC: The article has been updated to include additional information from Slowmist about the exploit method. Balance Coin, an algorithmic stablecoin designed to maintain a peg to the US dollar, has fallen more than 99% following a reported exploit. The stablecoin, the native algorithmic stablecoin of Balance Protocol, is trading at $0.001358 at the time of writing, down from $0.9954, according to CoinMarketCap. Read more