The digital copyright management system Pex scored a $57 million investment as it attempts to become a larger player online.

Chinese conglomerate Tencent and its subsidiary Tencent Music Entertainment participated along with investing firms the CueBall Group, NextGen Ventures Partners, Amarinthine and others.

Pex has built what it calls its "attribution engine" — free for rights holders and creators — to identify, attribute and license content on the internet.

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