Widevine Link Today

Here is an overview of how it works and why it matters:

Widevine ensures that premium content (such as 4K movies or high-bitrate audio) is only played back on trusted devices. It uses a system called the "Chain of Trust." widevine

Widevine categorizes devices into three security levels, which dictate the maximum resolution of the stream: Widevine | Google for Developers Here is an overview of how it works