What happened
Several crypto firms halted funds on Thursday in response to a suspected security issue involving Binance, the world's largest exchange by daily trading volume. Posting on X, Binance announced a temporary halt to Binance Alpha trading and added that "the current verified total frozen is $2.54 billion."
A Binance spokesperson said, "Our teams are aware of reports of a potential security issue and are actively investigating," adding, "Rest assured that user funds are completely safe." The company did not explicitly say an exploit occurred.
On X, the company's founder and ex-CEO Changpeng Zhao stated that users' money was safe and that he expected to fully cover all customer funds. He also said the situation appeared to be a hack.
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Who froze what and who is tracking it
Circle CEO Jeremy Allaire said Thursday evening that the company froze over 800 million of USDC tied to the incident. On X, Tether's CEO Paolo Ardoino said the company had frozen assets totaling over 1.5 billion in its stablecoin, potentially connected to a breach.
Subsequently, Yi He, a Binance cofounder, stated that Ripple - the company associated with XRP and RLUSD - assisted in halting $200 million from being moved in connection with the suspected attack. Even so, the freezes might be only a slice of the total exposure: Arkham Intelligence said it connected nearly $6 billion in assets - including bitcoin, ether, solana and multiple stablecoins - to 55 addresses it associates with the potential exploit. Arkham maps wallets by analyzing public blockchain data and by taking tips from its community.
Market moves and why it matters
After executives' statements, bitcoin dropped more than 3% and slipped under $80,000. Ether fell nearly 4%, and solana lost about 3%. Shares of Circle declined roughly 5% in Thursday's after hours.
In context, crypto breaches are not rare. In 2025, Bybit reported about $1.5 billion in losses from a hack, and more recently Bitget said it lost more than $350 million in a cyber theft. Bad actors have also siphoned off billions from decentralized exchanges over recent years. For portfolios with crypto exposure, the takeaway is simple: counterparty and platform risk still drive sudden price moves, even for top-tier tokens.
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