The exchange reported issues connecting to spot and derivatives interfaces before declaring resolution at 03:42 UTC, then conducted a separately planned morning maintenance window.
IG’s incident log isolates an SMS and email verification failure, rather than a system-wide trading outage, and shows when the broker identified, fixed and closed it.
Binance reports an estimated $6.3bn impact and about $3bn frozen on-chain. Its corrected 30 October notice says deposits remain unaffected while withdrawals are paused and the technical investigation continues.