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Crypto · November 1, 2026

Bitcoin ETF Investors Head for the Exits After Record Binance Hack

4 sources →

Security experts and industry leaders have subsequently raised concerns about the safety of large-scale crypto holdings, with some warning that major funds like BlackRock's iShares Bitcoin Trust could be targeted by state-sponsored hacking groups. In response, Coinbase, which serves as a custodian for the majority of U.S. Bitcoin ETF assets, announced precautionary updates to its cold storage infrastructure and blocked transfers to wallets associated with the Binance theft.

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Confirmed · 1

Backed by filings, on-chain data, official statements or several independent publishers.

  • Coinbase adjusted cold storage systems as a precaution (Coinbase Chief Security Officer Jeff Lunglhofer)

Claimed · 1

Said by a company, project or person; not yet independently confirmed.

  • The Binance hack was carried out by North Korea's TraderTraitor operation (U.S. authorities)

Speculation · 1

Price talk, forecasts or unnamed sources, quoted as someone else's view.

  • BlackRock's IBIT is likely on a North Korean shortlist for cyberattacks (OneKey founder Yishi Wang)

Reported by multiple outlets

  • The outflows on Friday were the largest single-day outflows for Bitcoin ETFs in months
  • The Binance hack occurred on Thursday around 4:05 p.m. ET after U.S. markets had closed

Reported by only some outlets

  • CryptoSlate reports BlackRock’s iShares Bitcoin Trust (IBIT) holds approximately 815,000 BTC
  • CryptoSlate reports Coinbase serves as the primary custodian for more than 80% of U.S. Bitcoin ETF assets

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