Exhibit 99.1 FORM 51-102F3 MATERIAL CHANGE REPORT Item 1 Name and Address of Company Bitfarms Ltd. ("Bitfarms" or the "Company") 18 King Street East, Suite 902 Toronto, Ontario M5C 1C4 Item 2 Date of Material Change June 30, 2021. Item 3 News Release The press release attached as Schedule "A" was released on June 30, 2021. Item 4 Summary of Material Change The material change is described in the press release attached as Schedule "A". Item 5 Full Description of Material Change | --- | --- | |--------------- ...