Stocks in Tokyo close lower on Ukraine worries

Tokyo shares closed lower on Friday, tracking falls on Wall Street as worries mounted over Ukraine, while the latest business confidence data also weighed on sentiment. The benchmark Nikkei 225 fell 0 ... ( read original story ...)

Crypto: What is Proof of Stake vs. Proof of Work?

What makes them different and why do we choose one or the other? As ethereum blockchain works through the final stages of its upgrade, people will hear the term "proof of stake" more often. The term ... ( read original story ...)