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exchange custody

Changpeng Zha
2026-08-04 13:41:43

CZ says exchange custody is statistically safer for Bitcoin holders

Binance founder Changpeng Zhao said statistical evidence suggests keeping Bitcoin on exchanges is safer than self-custody, weighing in on a debate triggered by a theft case tied to a Coldcard hardware wallet vulnerability. Zhao was responding to analyst Willie Woo, who cited figures showing 1.57 million BTC lost through self-custody versus 1.51 million BTC lost through exchanges. Zhao argued the comparison is incomplete because exchange hacks are easier to track and report, while many self-custody losses never make it into public records. He also said data from failed exchanges drags down the industry average. The discussion picked up after the Coldcard-related incident. According to a Galaxy Digital investigation, about 1,367 BTC worth roughly $88 million has been stolen from 4,585 addresses since July 2026. Zhao added that exchanges such as Binance compensate users for losses on their platforms, while the risks involved in self-custody and exchange custody are fundamentally different. In his view, the better approach is to balance those risks rather than treat either storage method as universally superior.

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CZ says exchange custody is statistically safer for Bitcoin holders
CZ
2026-08-04 06:56:53

CZ says custody has no clear winner in response to Bitcoin loss data

Binance co-founder Changpeng Zhao, known as CZ, reposted a post from analyst Willy Woo discussing Bitcoin loss statistics and said that, if the numbers are accurate, exchange custody may look safer than self-custody from a statistical standpoint. Zhao noted that exchange hacks are easier to count because they are usually public, while thefts or accidental losses tied to self-custodied wallets often go undisclosed, making that side of the data harder to capture. He also said exchange figures are affected by incidents involving platforms that later collapsed. Zhao did not argue that one model is universally better. Instead, he said different custody methods suit different users and that a balanced approach to holding assets may be the better option. The discussion followed Woo’s earlier figures showing about 1.57 million BTC permanently lost through self-custody, compared with about 1.51 million BTC lost through exchange hacks, failures and related incidents.

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CZ says custody has no clear winner in response to Bitcoin loss data
Changpeng Zha
2026-08-04 06:53:00

CZ says exchange custody looks safer than self-custody on a statistical basis

Binance founder Changpeng Zhao said that, from a statistical point of view, keeping crypto on exchanges appears safer than storing it in self-custody wallets. He made the comment while responding to custody security data shared by Willy Woo. According to Woo’s figures, self-custody wallets have cumulatively lost about 1.57 million BTC, while exchanges have lost about 1.51 million BTC, leaving the two totals close to even. Zhao argued that hacks affecting exchanges are easier to track and often make headlines, while losses and theft on the self-custody side are harder to measure because many incidents are never reported. He also said the exchange data is weighed down by failed platforms that have already gone bankrupt, while exchanges such as Binance have fully compensated users for platform-side hacks. Zhao added that he was not arguing one storage method is universally better, saying each comes with a different risk profile and may suit different types of users, with a balanced approach possibly being the safer choice.

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CZ says exchange custody looks safer than self-custody on a statistical basis