A significant error at Citigroup almost resulted in an account being credited with $81 trillion, far exceeding the UK's total wealth. The mistake was due to a pre-filled amount field in a rarely-used backup system. It was caught by a third employee 90 minutes later, and no funds were transferred. Citigroup has faced multiple similar errors in recent years, highlighting ongoing operational issues. Teljes cikk (Euronews.com)