[Sky: Quarterly Operating Expenses Reduced to $6.8 Million, Over $20 Million a Year Ago] Sky's official video features founder Rune Christensen stating that Sky's quarterly operating expenses have been reduced to $6.8 million, compared to over $20 million a year ago. According to him, Sky's treasury management mechanism has made operating expenses more predictable and kept them within a defined range, while continuing to support protocol security, maintenance, and development work.