Comment on Show HN: Blanket, an attempt at an anonymous, secure, trusted messaging appparentComments−josecastilloOP13yYou could use NFC, sure; QR codes just seemed more accessible since every phone has a camera nowadays. But it's just 70-80 bytes you need to exchange, any method of moving those bytes would work.
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You could use NFC, sure; QR codes just seemed more accessible since every phone has a camera nowadays. But it's just 70-80 bytes you need to exchange, any method of moving those bytes would work.