Ethereum co-founder Jeffrey Wilcke could be looking to sell some of his Ether holdings after sending around 1,500 ETH to crypto exchange Kraken on Thursday.  Wilcke sent 1,500 Ether, worth around $6 million, to the crypto exchange, according to onchain analytics platform Lookonchain. It came as the price of Ether dropped from $4,000 to around $3,900.