Signal Messenger tests feature to encrypt sender identity along with message
Signal says it's beta testing a feature to encrypt the "envelope" as well as the letter it contains.
array(4) {
["welcome_ad_is_excluded"]=>
bool(false)
["current_path"]=>
string(18) "/tag/sealed-sender"
["is_current_path_in_array"]=>
bool(false)
["ad_settings"]=>
array(3) {
["ads_path"]=>
string(23) "18430785/sng_cyberscoop"
["welcome_ad_excluded_urls"]=>
array(0) {
}
["welcome_ad_limit"]=>
int(2)
}
}