Jack Dorsey-led Square is investing $5 million into building a bitcoin mine that runs on solar power, teaming up with bitcoin technology company Blockstream on the project as a debate over crypto’s environmental impact intensifies. While the payment firm Square is backing the project financially, Blockstream is providing infrastructure and expertise for the renewable-energy bitcoin-mining […]Read full post Jack Dorsey-led payment firm Square is investing $5 million to create a sustainable bitcoin mine. on Chaintimes.com.