Your bank app needs electricity, a data connection, and a working server. Bitcoin, held in a wallet on your phone, needs none of that at the moment you own it. You can receive, hold and later spend it without ever touching the banking grid.
Living off-grid on the Garden Route, that resilience is the whole point. Read more about Bitcoin in the Wilderness →
Bitcoin Wilderness — learn this new wild tech from the edge of the map. Free guides here, full courses at Satoshi Study. Follow @BitcoinWilderness on YouTube.