At a glance
- US authorities attributed a $6 billion Binance breach to North Korea's TraderTraitor operation.
- For advisors holding IBIT, Coinbase's custody of the bitcoin behind the shares makes cold-storage attestations, transaction-signing controls and who can authorize a transfer due-diligence items alongside fees and tracking difference.
- In the February 2025 Bybit hack, roughly $1.5 billion was lost after attackers compromised a Safe{Wallet} developer's computer and manipulated the transaction interface used by authorized signers, according to a Sygnia forensic investigation cited by CryptoSlate.
BlackRock's $62 billion iShares Bitcoin Trust may already be on North Korea's target list, Yishi Wang, founder of crypto wallet maker OneKey, suspects, CryptoSlate reported Nov. 1.
US authorities attributed a $6 billion Binance breach to North Korea's TraderTraitor operation. Coinbase, IBIT's primary bitcoin custodian, said in an Oct. 29 statement that it was blocking transfers to compromised Binance wallets and had changed its cold storage systems as a precaution. Chief Security Officer Jeff Lunglhofer said the company's infrastructure remained secure.
For advisors holding IBIT, Coinbase's custody of the bitcoin behind the shares makes cold-storage attestations, transaction-signing controls and who can authorize a transfer due-diligence items alongside fees and tracking difference.
In the February 2025 Bybit hack, roughly $1.5 billion was lost after attackers compromised a Safe{Wallet} developer's computer and manipulated the transaction interface used by authorized signers, according to a Sygnia forensic investigation cited by CryptoSlate. Extracting private keys was not necessary.
BlackRock fund data show IBIT held roughly 815,000 BTC on Oct. 29, nearly 4% of bitcoin's maximum supply. An April 8 CryptoSlate review put funds naming Coinbase in a custody role at more than 80% of US bitcoin ETF assets.
Spot bitcoin ETFs took in $137.3 million on Oct. 29, nearly all of it to IBIT, as Private Wealth Daily previously reported.
Reported by the Custody & Infrastructure desk from CryptoSlate. Published . Corrections