Every cryptocurrency holder has a private key that authenticates their identity and allows them to exchange units. Users can make up their own private keys, which are formatted as whole numbers up to 78 digits long, or use a random number generator to create one.
OK perhaps that’s a little far-fetched. But what is behind crypto’s crazy climb over the past 18 months, we hear you ask? We don’t mean to suggest that the pandemic hasn’t been involved, because we think it has, but not in the way that this chart criminal implies — not, in other words, because it’s some kind of safe haven that traders flock to when they are worried about Covid cases rising; the data don’t bear that idea out.

An obstacle to large-scale bitcoin mining is finding enough cheap energy to run the huge, power-gobbling computer arrays that create and transact cryptocurrency. One mining operation in central New York came up with a novel solution that has alarmed environmentalists.
You can't ever determine how long or how far up a speculative investment can go, and you tend to be very shocked at how much it falls