It looks like something using fingerprintjs2. This library is very popular. https://github.com/Valve/fingerprintjs2/blob/master/fingerprint2.js#L1275 https://

It looks like something using fingerprintjs2. This library is very popular. https://github.com/Valve/fingerprintjs2/blob/master/fingerprint2.js#L1275 https://github.com/Valve/fingerprintjs2/blob/master/fingerpr...