The six months ended June 30, 2024 compared with the six months ended June 30, 2023
Discussions below reflect results of operations related to continuing operations
Revenues
For the six months ended June 30, 2024, revenues were mainly comprised of revenues after inter-segment elimination from the cryptocurrency mining business of US$9.1 million and the data center business of US$10.3 million. For the six months ended June 30, 2023, revenues were mainly comprised of revenues after inter-segment elimination from the cryptocurrency mining business of US$11.6 million and the data center business of US$9.5 million. The decrease in cryptocurrency mining revenue was mainly attributable to the higher computing power of the whole network for the six months ended June 30, 2024 compared with that for the six months ended June 30, 2023, resulting in an increased difficulty in cryptocurrency mining activities. There was no significant change in the revenue generated from the data center business.
Operating costs and expenses
Our operating costs and expenses decreased from US$30.8 million for the six months ended June 30, 2023 to US$21.8 million for the six months ended June 30, 2024, primarily due to the following:
Cost of revenue. For the six months ended June 30, 2024, cost of revenue was mainly comprised of cost of revenue after inter-segment elimination from the cryptocurrency mining business of US$6.0 million and from the data center business of US$9.0 million. For the six months ended June 30, 2023, cost of revenue was mainly comprised of cost of revenue after inter-segment elimination from the cryptocurrency mining business of US$7.0 million, and from the data center business of US$12.7 million.
The gross profit for the six months ended June 30, 2024 and 2023 were US$4.4 million and US$1.4 million, respectively. For the cryptocurrency mining business, the gross profit for the six months ended June 30, 2024 and 2023 were US$3.1 million and US$4.6 million, respectively. For the data center business, the gross profit for the six months ended June 30, 2024 was US$1.3 million and the gross loss for the six months ended June 30, 2023 was US$3.2 million. The improvement from a gross loss for the six months ended June 30, 2023 to a gross profit for the six months ended June 30, 2024 was mainly attributable to a combination of higher profitability from a new arrangement with an existing data center customer and lower electricity price during the six months ended June 30, 2024.
Sales and marketing expenses. Sales and marketing expenses slightly decreased by US$0.1 million from US$0.1 million for the six months ended June 30, 2023 to nil for the six months ended June 30, 2024.
General and administrative expenses. General and administrative expenses decreased from US$10.8 million for the six months ended June 30, 2023 to US$6.7 million for the six months ended June 30, 2024, representing a decrease of US$4.1 million or 38.0%. The decrease was mainly due to (i) a decrease of US$3.4 million in consulting service fee as mining machine development had been completed in 2023, and (ii) incurrence of US$0.3 million in legal consulting fees due to the power outage occurred in the six months ended June 30, 2023 while there was no such event in the six months ended June 30, 2024.
Service development expenses. Service development expenses slightly decreased by US$0.1 million from US$0.2 million for the six months ended June 30, 2023 to US$0.1 million for the six months ended June 30, 2024.
Other operating expenses
Other operating expenses slightly decreased by US$0.2 million from US$0.3 million for the six months ended June 30, 2023 to US$0.1 million for the six months ended June 30, 2024.
Net gain on disposal of cryptocurrency assets
Net gain on disposal of cryptocurrency assets was US$4.6 million for the six months ended June 30, 2023, which was mainly due to fluctuating market prices for cryptocurrency assets by using first-in-first-out (“FIFO”) to calculate the cost of disposition. Effective January 1, 2024, the Company adopted ASU 2023-08, which requires cryptocurrency assets to be measured at fair value. Therefore, there was no gain or loss on disposal of cryptocurrency assets for the six months ended June 30, 2024.