Bitcoin Ethereum, the No. 2 behind bitcoin, fights off challengers that offer cheaper and faster blockchains – MarketWatch Share Tweet Share Share Email Comments Ethereum, the No. 2 behind bitcoin, fights off challengers that offer cheaper and faster blockchains MarketWatch Related Items: Share Tweet Share Share Email Click to comment Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Notify me of follow-up comments by email. Notify me of new posts by email. This site uses Akismet to reduce spam. Learn how your comment data is processed.