While obviously there are some jobs that typically are not attainable with only a business degree, such as engineering and physician jobs, she says, the credential is valuable in many fields. See: 44 Full-Time
We accept “proof of work” based on the assumption that there is no faster way to find a nonce which will give a new block a good enough hash value than brute-force search (currently requiring sextillions of guesses on average). But what if there were a hole in the crypto, a short...