Historical retrospective · Security
Exchange failures renewed attention to hot and cold wallet controls
Major incidents across the industry highlighted how exchanges segregate assets, restrict signing and monitor withdrawals.
Wallet architecture is only one layer; key ceremonies, access control, reconciliation and incident procedures all influence customer exposure.
Custody became a mainstream topic in both technical security and regulatory policy.
Customer claims about reserve controls should be independently examined; proof of reserves alone may not establish liabilities or legal ownership.
Primary source
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