A replica "ether" cryptocurrency coin in seen in this photo illustration on November 8, 2017. Ether is a token in a distributed network computing system named Ethereum which allows the cryptocurrency to be used and traded. (Photo by Jaap Arriens/Sipa USA) (Photo by Jaap Arriens/NurPhoto via Getty Images)
A replica "ether" cryptocurrency coin. Ether's value surged 30% on Sunday as cryptocurrencies surged. Getty Images

Digital currency Ether surges to record high after Bitcoin rally