The Chinese city of Suzhou will be the second to roll out a “red envelope” trial for the forthcoming digital yuan, according to a report in local media outlet The Paper. Following the successful pilot ...

Google released three new apps for Androids on Tuesday as part of its "Digital Wellbeing" initiative, including an envelope that covers a phone's screen so users can only make calls and take photos.

(1) An encrypted message that uses both secret key and public key cryptography methods. A secret key is used to encrypt and decrypt the message, but the public key method is used to send the secret ...