This article analyzes the unique importance of digital platforms in competition law, which are becoming increasingly important for all sectors today. In particular, it highlights the necessary signs to determine whether digital platforms have committed anti-competitive behavior and what innovations the legislation needs in this regard. The analysis shows that in order to determine the anti-competitive behavior of digital trading platforms, it is necessary to study, first of all, the market boundary, as well as new concepts such as network efficiency, the doctrine of essential infrastructures, etc., and, based on these, to determine a unique form of unfair competition environment for digital markets.

Digital platforms, market border, network effects, one-sided market

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