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AI summary of a third-party reportBearishNewsDesk

Exchanges disclose cold storage ratios after Binance hot wallet attack

Coinbase, Upbit and Gate have published the share of customer assets held offline after attackers hit Binance's hot wallets, though the figures use differing bases and periods.

Why it matters: The disclosures give traders a way to compare how much of each exchange's customer assets sit offline after a $6.36bn hot wallet theft.

InvestIn.News NewsDesk · 1 min read
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Picture from Cointelegraph for: Exchanges disclose cold storage ratios after Binance hot wallet attack
Image: Cointelegraph
Original reporting: Felix Ng, Cointelegraph

Key points

  • Gate says 88.26% of its total assets sit in cold storage and 11.74% in hot wallets, with third-party audit review still under way
  • Upbit reports 99.17% in cold wallets as of September 2026, above South Korea's 80% regulatory minimum

Several crypto exchanges have published their cold storage ratios after the previous week's attack on Binance's hot wallet infrastructure, Cointelegraph reports. Gate launched a Proof of Security framework on 5 November, saying 88.26% of its total assets are held offline and 11.74% in hot wallets.

Coinbase said in a blog post on 4 November that more than 99% of customer assets are in offline cold storage and that it moves excess assets there continuously. Upbit, South Korea's largest exchange, confirmed on 3 November that 99.17% of its assets were in cold wallets as of September 2026, with 0.83% in hot wallets. Its parent Dunamu said that was the highest ratio among the country's five major won-based exchanges and well above the 80% regulatory minimum.

TRM Labs says attackers took about $6.36bn from Binance, most of it within roughly 20 minutes.

What to watch: Gate's cold and hot wallet split is still awaiting independent review by a third-party audit firm.

Read the full story on Cointelegraph

Live updates on NewsFeeds:AltcoinsDesk editor: Keshav Aggarwal (accountable for this page; this summary was not edited by hand)

How this was produced: an AI model wrote this summary of Cointelegraph’s report, which we credit and link above. Read our Editorial and AI policy. Spotted a mistake? See Corrections.

Not investment advice. Read the risk disclaimer.

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