The Free Economy Experiment of Woergl (1932-1933) https://unterguggenberger.org/the-free-economy-experiment-of-woergl-1932-1933/ An "Economic Miracle" brought by rapid distribution of money through an emergency programme in a small Austrian city.

The purpose of an economy is to meet people's needs. This is a shining example of how cryptocurrency could be used to accomplish the same in the modern age, I'm not sure if it counts as socialism but if it does then it's a shining example of that too.