Original title is about "Google cracks down on VPN based adblockers". Changing "VPN Adblockers" to "Android Adblockers" is misleading, at least.
BTW, I'm using Brave because of having u-block origin, and I recommend it. Needed to change the default chrome widget for a brave widget, and lost the chrome sync. Other than that, works as a charm.
> The WhatsApp server maintains a mapping between each person’s account and all their device identities. When someone wants to send a message, they get their device list keys from the server.
Right, but that doesn't compromise the security of the service necessarily.
Users can catch a malicious server injecting incorrect keys by looking at security notifications and comparing security codes. This is part of the Signal protocol.
This may be tedious but only needs to be done in the event of phone keys getting reset (a once in a year event?), as all companion device keys are automatically verified with signatures provided from an account owner's primary (phone) device
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