Edward Snowden Tweets Cryptic Code: Was It a Dead Man’s Switch? (sputniknews.com)

Greenwald says "He's fine" https://mobile.twitter.com/ggreenwald/status/761995125824360...

Also: Consider the source. Sputnik is unreliable and Kremlin-controlled, and whatever analysis they cook up is usually FUD.

no

It would be interesting to know what this tweet was really about however

Looks like he typed this: "openssl rand -hex 32" and got himself a nice 128-bit random number.

Probably tapped his yubikey