US spot bitcoin ETFs lose $643 million after Binance hack

US spot bitcoin exchange‑traded funds lost $643 million on Friday, the biggest single‑day outflow since June 25, after Thursday’s Binance hack sent shockwaves through the crypto market. The withdrawals were recorded across the eight SEC‑approved spot bitcoin ETFs, wiping out roughly 2.5 % of the total assets these funds hold.

The Binance breach, disclosed on June 1, involved hackers gaining access to the exchange’s hot wallets and siphoning off an estimated $200 million worth of crypto. The incident reignited fears that even the most regulated crypto platforms are vulnerable, prompting investors to reassess exposure to digital assets. Spot bitcoin ETFs, launched in January after a long regulatory battle, had been a barometer of mainstream confidence in the nascent market.

Industry analysts said the outflow reflects a short‑term risk‑off reaction rather than a fundamental loss of faith in the products. Fidelity’s crypto chief noted that “the hack reminded investors that custodial risk remains a key concern,” while a Bloomberg survey showed 38 % of ETF investors considered moving to futures‑based funds or traditional equities. Despite the pull‑back, the eight ETFs still manage about $15 billion, a level that dwarfs the $2 billion in assets that fled after the 2022 collapse of the Terra ecosystem.

The next few weeks will test whether the outflow is a fleeting spike or the start of a broader retreat. If further security incidents emerge, regulators may tighten oversight of custodial practices, potentially slowing new inflows. Conversely, a swift resolution at Binance and reassuring statements from fund managers could stem the tide and restore confidence. For now, the $643 million drain serves as a reminder that crypto’s integration into mainstream finance still hinges on robust security and clear regulatory guidance.