One of the founders of Ethereum, the largest altcoin, has sold again, according to on-chain data. Here are the details. A wallet believed to belong to Ethereum (ETH) co-founder Jeffrey Wilcke transferred 1,500 ETH (approximately $5.99 million) to the Kraken exchange. Over the past week, the same wallet sent a total of 2,500 ETH ($10.3 million), with transactions averaging $4,124. The wallet currently holds 2,058 ETH ($8.23 million). Today, the price of ETH briefly dropped below $4,000.