The growing proliferation of online sharing platforms has opened up many new opportunities for sharing. These exchange platforms can significantly reduce the disadvantages of classic exchange. Thanks to online brokerage, you can quickly find transaction partners, while at the same time, technical means of ensuring user security allow you to share material or virtual resources between strangers, which generally leads to a significant reduction in transaction costs. The sharing economy is now also used as a synonym for sharing knowledge, information and data. Exchange offers are organized almost exclusively through digital platforms or social networks, since they can reach a wider group of users and thus achieve greater use of common goods. The added value of offline offerings such as community gardens, free shops, clothing swaps or neighborhood swaps lies not only in their environmentally friendly effect, but above all in their enormous potential for social cohesion in communities. The article raises issues of fair taxation and social protection of users of digital platforms, as well as trust between people in the new digital society.