According to Official Guinness Records,
The largest prize-linked bank account payout is KWD 1,000,000 ($3,269,680;£2,634,033) achieved by Gulf Bank (Kuwait), in Kuwait City, Kuwait, on 5 January 2017.The attempt took place in the Grand Avenue Mall in Kuwait.
For a complete list of 2017 records, please visit 2017 Guinness Records in Kuwait.