The shopping mall can buy a lucky draw to achieve its desire to get a hot commodity. Many trendy commodities, waiting for your arrival, only need one yuan to realize the desire to have fashionable commodities.
[fairness and openness]
Fairness: all participating users enjoy the same rights and obligations.
Justice: the introduction of third-party data sources to ensure the randomness of distribution results and guarantee the absolute impartiality.
Disclosure: formula and data are fully disclosed.