osa token is a real life blockchain and artificial intelligence application for retail,the world's biggest industry. Osa token is the world's decentralized marketplace providing artificial intelligence driven solutions to retailers and manufacturers, and also consumers. Osa token blockchain immutable ledgers will provide more reliable product data to prevent businesses from abusing customer trust. To bring trust to it user's osa token reward users that holds it's token in their wallet there by keeping it's promise to it's user's. Consumers will enrich osa token artificial intelligence data model by providing relevant product information and purchase decision tree, and in turn the artificial intelligence will analyse this data so that manufacturers and retailers will effectively cooperate to optimize their own business strategy.