(Bloomberg) -- Digital-asset exchange OKX has suspended a service used by hackers to launder proceeds from a $1.5 billion heist on trading platform Bybit, after drawing scrutiny from European watchdogs. Most Read from BloombergICE Eyes Massive California Tent Facility Amid Space ConstraintsHow Britain’s Most Bike-Friendly New Town Got BuiltThe Dark Prophet of Car-Clogged CitiesWashington, DC, Region Braces for ‘Devastating’ Cuts from CongressSaving the Signature Sound of Washington, DC“After con