As of 30 October 2026, the direct answer is that Bitcoin fell after the Binance breach because a very large theft at the world's largest crypto exchange shook confidence across the market and coincided with heavy forced selling. Bitcoin dropped below $77,000, falling about 4.5% in 24 hours to $76,664, and later trading at about $77,984. Those price points are snapshots, not a forecast of where prices will go next.

The breach itself took place on 29 October 2026, with an estimated impact of about $6.3 billion, described as the largest crypto theft on record. When a theft of that size hits the largest exchange, traders do not only react to the stolen assets themselves. They also react to uncertainty: how the theft happened, whether more assets are at risk, and how long services such as withdrawals will be paused.

The preliminary investigation has suggested a compromised DevOps engineer's laptop may have let an attacker access a service container and submit unauthorised withdrawal transactions. The reported mechanism involved an Ethereum feature, EIP-7702, used on a wallet known as Binance 14, turning it into a sweeper, with about 204,500 ETH moved. No evidence of a wallet private key leak has been found in the preliminary findings. Even a partial explanation like this can move prices, because markets react to risk before every detail is known.

Other major assets fell at the same time. Ether was down about 3.2% and BNB, Binance's own token, was down about 3.9%. The fact that the fall was broad, rather than limited to one asset, points to a market-wide reaction to the breach rather than a problem with a single coin. BNB's fall is also understandable in context, since the incident centred on Binance itself.

A second force amplified the drop: liquidations. More than $1 billion in leveraged positions was liquidated in 24 hours. Leveraged traders borrow to increase their exposure, and when prices fall sharply they can be forced to close positions, which adds further selling pressure. That chain reaction can turn an initial fall into a larger one, even without new bad news.

It is also worth noting what the price fall does not prove. A fall after a hack does not mean the underlying networks stopped working, and it does not by itself show that user funds on other platforms are affected. It shows sentiment and forced selling in a short window. Longer-term price movements will depend on many factors beyond this one incident, none of which can be predicted from the facts available here.

Binance co-CEO Yi He has said all losses will be covered from company funds and the SAFU emergency fund, and that user funds are safe. That statement may matter for confidence over time, but on the day itself it did not prevent the initial fall, which had already been driven by the news of the breach, the scale of the estimated loss, and the liquidations that followed.

In short, Bitcoin fell because the largest exchange suffered the largest reported crypto theft, uncertainty rose, and leveraged selling added pressure on top of that. The investigation is ongoing and figures are preliminary estimates. This article offers no view on future prices and no financial advice; readers should rely on official Binance channels for updates on the incident itself.

FAQ: How far did Bitcoin fall? It fell below $77,000, down about 4.5% in 24 hours to $76,664, later about $77,984. Did other coins fall too? Yes, ether was down about 3.2% and BNB about 3.9%. What role did liquidations play? Over $1 billion in leveraged positions was liquidated in 24 hours, adding selling pressure to the initial fall.