Nodechain, Inc. specializes in the extraction of digital cryptocurrencies and... Nodechain, Inc. specializes in the extraction of digital cryptocurrencies and the validation of blockchain transactions, with a primary focus on prominent digital assets like Bitcoin and Ethereum. Established in 2013, the company, headquartered in Huntington Beach, California, underwent a corporate identity change in December 2017, transitioning from its former name, Vapetek, Inc.