It can be seen from Fig 6 that coherence in the short run is erratic throughout the time interval analysed, and that there is little appreciable difference between the bubble and non-bubble regimes. However in the medium term (8–16 and 16–32 days), coherence generally peaks around areas where bubbles have been identified in the price series. The longer term relationship, though, is less dependent on whether the price is in a bubble phase.
Since the first digital currencies were devised after the financial crisis, $2.3tn has been invested in them. But how do they, and other assets transacted on blockchain technology, actually work? And what risks do they pose? Read our explainers

To avoid legal action, the creators dropped “West” from the name, changed the logo to a “half man, half fish hybrid” that resembles West — a biting reference to a “South Park” episode that pokes fun at West’s massive ego — and released Coinye as planned.
The global cryptocurrency market cap has grown by 2.63 percent over the previous day to $2.94 trillion, data from coinmarketcap.com shows.