- Sub-Saharan Africa accounts for the least crypto transaction volume of any region we study, with $100.6 billion in on-chain volume received between July 2021 and June 2022, which represents 2% of global activity, and 16% growth over the year prior. https://blog.chainalysis.com/reports/sub-saharan-africa-cryptocurrency-geography-report-2022-preview/ 8 comments cryptocurrency