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Nearly 60,000 people have already signed up for an international scavenger hunt for a $1 million bitcoin prize
The first team to solve at least 400 clues will have enough key fragments to access the game's digital bitcoin wallet containing the $1 million prize.
Vint Cerf, now Google's chief internet evangelist, said he's not sure he would have fixed the problems if he had to do it all over again.
Any communication in and out of jail is closely scrutinized — so inmates turn to ingenious codes to convey secret messages
In jail, inmates may rely on a secret code to slip cryptic messages past corrections officers. Here are some of the most common, and one that was never solved.
An Atlanta jail intercepted a letter from an inmate who was using a secret code to orchestrate a murder
The letter looked innocent at first glance, but actually contained a secret code ordering a hit on a jail staff member.
China has pulled off a ‘profound’ feat of teleportation that may help it ‘dominate the way the world works’
The work is a major step toward building a global quantum internet.
"That Android has a microphone, which means that it can be turned into a room bug without anyone's knowledge. That's my real fear."
Don't worry. There is no backdoor like the FBI was seeking for the iPhone in WhatsApp.
A hacker named 1x0123 claims he has the other half of the recently-leaked NSA hacking toolkit — but samples are only available if you can figure out his puzzle.
“Liber Primus is the way. Its words are the map, their meaning is the road, and their numbers are the direction.”