Stablecoin issuers immobilized over $2.5 billion combined as Circle shares slid and Bitcoin dropped toward $78,000
Circle froze more than $800 million in USDC after Binance suffered a security breach of approximately $6.3 billion on October 29, 2026. Circle’s own shareholders then took a hit, with the stock falling 5.6%.
The incident is being described as the largest security breach in crypto exchange history.
What happened and who froze what
Binance reported that roughly $6.3 billion was affected by unauthorized withdrawals from its hot wallets. Hot wallets are the internet-connected accounts exchanges keep funded so customers can withdraw quickly.
The exchange says it has already frozen about $3 billion of the affected assets on-chain.
Stablecoin issuers filled part of that gap on their own. Circle froze more than $800 million in USDC tied to the incident, a figure later put at approximately $823 million.
Tether went further, freezing more than $1.5 billion in USDT. Ripple froze approximately $200 million in its RLUSD stablecoin.
World Liberty Financial froze roughly $27 million in USD1. Combined, the four issuers have immobilized more than $2.5 billion in funds linked to the breach.
Circle CEO Jeremy Allaire and Tether CEO Paolo Ardoino both said on social media that their companies were coordinating with law enforcement on the freezes.
Binance has committed to covering all customer losses. It plans to draw on its Secure Asset Fund for Users, known as SAFU, along with its own corporate resources.
The market reaction
Circle’s stock slipped after the news broke. Reports put the decline at about 5% in after-hours trading on October 29, with the drop cited at 5.6% elsewhere.
Bitcoin also took a hit, falling more than 4% to around $78,000.
Why the freezes matter
For victims of the hack, the freezes are good news. Every dollar of stablecoins locked in place is a dollar the attacker cannot swap, launder, or cash out.
Taken together with Binance’s own on-chain freezes, the coordinated response has potentially kept a large share of the stolen assets from disappearing. That could make Binance’s promise to make users whole considerably easier to keep.
Stablecoins behave more like bank deposits with a blockchain wrapper than like cash under a mattress.
What this means for exchanges, issuers and investors
For stablecoin issuers, the incident is a showcase and a liability at the same time. Circle and Tether demonstrated they can respond quickly and work with authorities, which regulators generally want to see.
At the same time, Circle’s share price suggests public market investors are treating proximity to a crisis as a risk, regardless of how the company behaves during it.
For Binance, the key number to watch is the distance between the $6.3 billion affected and the roughly $3 billion frozen on-chain. The more of that gap gets closed through freezes and recoveries, the less SAFU and corporate funds have to absorb.
For crypto holders more broadly, the near-term risk is volatility. Bitcoin’s slide toward $78,000 shows how quickly a single exchange incident can spill into the wider market.
