Is Bitcoin already mentioned in old school printed encyclopedias?

Hydro power = Bitcoin mining potential: Top Regions with High Hydropower Potential 1. China (Tibet & Sichuan-Yunnan) – The Yangtze, Mekong, and Brahmaputra Rivers originate here, with massive elevation drops. 2. Himalayan Region (India, Nepal, Bhutan, Pakistan) – Rivers like the Ganges, Indus, and Brahmaputra offer huge hydropower potential. 3. The Andes (Peru, Ecuador, Bolivia, Chile, Argentina) – Steep mountain rivers provide excellent hydropower sites. 4. Canada (British Columbia & Quebec) – Large river systems with steep gradients. 5. Norway – Almost all electricity comes from hydropower due to steep fjords and ample rainfall. 6. Congo River Basin (Democratic Republic of Congo) – The Inga Dams site on the Congo River has one of the world’s largest untapped hydropower potentials. 7. Russia (Siberia & Far East) – Large untapped river systems like the Yenisei and Lena Rivers.