Operating Activities
Net cash used in operating activities of £2,372,843 in the six months ended June 30, 2021 was comprised of our operating profit of £11,280,187, adjusted by £6,462,333 net in non-cash items, and reduced by changes in working capital accounts of £11,013,054, consisting principally of a £34,758,295 increase in digital assets as we did not sell any Bitcoin mined during the period. The increase in digital assets was partially offset by a £15,245,263 increase in trade and other payables due to amounts payable for machines due to be delivered after the period end and a £6,407,446 fair value change in digital assets as a result of the reduction in average Bitcoin price during the period.
Net cash provided by operating activities of £3,696,386 in the six months ended June 30, 2020 was comprised of our operating profit of £649,962, adjusted by £2,580,716 net in non-cash items. In addition, changes in working capital accounts produced £465,708, consisting principally of a £534,947 decrease in trade and other receivables due to a reduction in machine prepayments and a £203,045 decrease in digital assets due to the loss on futures entered into, partially offset by a decrease of 167,503 in trade payables due to year-end bonuses and a £104,781 fair value change in digital assets increasing in value.
Net cash provided by operating activities of £2,409,830 in the year ended December 31, 2020 was comprised of our operating profit of £1,598,530, adjusted by £6,586,089 net in non-cash items. In addition, changes in working capital accounts used £5,774,789, consisting principally of a £3,578,381 increase in digital assets as receivables resulting from the timing of receipt of rewards from mining pools and a £2,106,799 decrease in trade payables, reflecting large mining equipment purchases made at the end of 2019 not paid until 2020.
Net cash used in operating activities of £887,852 in the year ended December 31, 2019 was comprised of our operating loss of £833,815, adjusted by £2,399,441 net in non-cash items. In addition, changes in working capital accounts used £2,684,300, consisting principally of a £4,058,043 increase in trade receivables due to a deposit to GPU.one in an amount equal to four months of hosting costs and a £1,038,882 increase in digital assets as receivable resulting from the timing of receipt of rewards from mining pools, partially offset by a £2,684,300 increase in trade payables, reflecting the machines purchases toward the end of 2019.
Investing Activities
Net cash used in investing activities in the six months ended June 30, 2021 was £61,822,761, which was comprised principally of £35,471,499 investment in machine purchases, £7,352,970 for investment in associates and £6,883,195 for the purchase of land and building improvements at our Texas facility.
Net cash used in investing activities in the six months ended June 30, 2020 was £1,619,997, which was comprised principally of £1,617,024 for the purchase of mining machines.
Net cash used in investing activities in the year ended December 31, 2020 was £1,102,300, which was comprised principally of £1,807,971 principally for the purchase of principally mining machines, net of disposals.
Net cash used in investing activities in the year ended December 31, 2019 was £16,424,467 which was comprised primarily of £15,025,708 principally for the purchase of mining machines, and a £1,346,236 convertible loan note to the host of our mining sites, which they have used to finance the building of their hosting sites.
Financing Activities
Net cash generated from financing activities in the six months ended June 30, 2021 was £61,822,761, which was comprised principally of £49,592,641 of proceeds from shares issued.
Net cash used in financing activities in the six months ended June 30, 2020 was £924,369, which was comprised of debt service on our borrowings, as well as reduction of principal balances.
Net cash generated from financing activities in the year ended December 31, 2020 was £581,889, comprised of loan losses of £968,294, partially offset by £1,550,183 in net proceeds from sale of equity. Net cash generated from financing activities in the year ended December 31, 2019 was £1,084,218 of loan proceeds.
Recently Issued Accounting Pronouncements
A description of recently issued accounting pronouncements that may potentially impact our financial position, result of operations or cash flows is disclosed in Note 5 to our audited consolidated financial statements and in Note 4 to our unaudited interim condensed financial statements included elsewhere in this prospectus.