It was extremely difficult in the first three days that she had to stay in McDonald's and ate leftover burgers. Hypoglycemia even brought her to hospital.
Because hotels didn't accept bitcoin, she had to bring a portable tent.
So the story doesnt make any sense because she didnt use her bitcoin for her living in that 21 days, the story must be she is able to use her bitcoin to live and not be a poor girl or beggars living in the street.