Net cash provided by operating activities of £2,198,489 in the nine months ended September 30, 2020 was comprised of our operating loss of £199,681, adjusted by £4,681,807 net in non-cash items. In addition, changes in working capital accounts produced £2,283,637, consisting principally of a £2,525,167 decrease in trade and other payables in trade payables due to year-end bonuses.
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 nine months ended September 30, 2021 was £96,383,562, which was comprised principally of £45,060,231 investment in machine purchases not received at the period end and £44,081,293 for payments for the purchase of land and building improvements at our Texas facility.
Net cash used in investing activities in the nine months ended September 30, 2020 was £1,807,971, which was solely comprised 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 nine months ended September 30, 2021 was £165,060,761, which was comprised principally of £135,272,047 of proceeds from shares issued and £33,341,585 from loans.
Net cash used in financing activities in the nine months ended September 30, 2020 was £56,665, 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.