[Cryptocurrency startup ZBD completes $40 million Series C funding round, led by Blockstream Capital] According to Jinse Finance, cryptocurrency startup ZBD announced the completion of a $40 million Series C funding round, led by Blockstream Capital, a crypto investment firm associated with early Bitcoin investor Adam Back, with an investment of $36 million. The company currently focuses on selling access to video game payment software, which can process various transactions, including Bitcoin transactions, but has not yet ventured into NFTs or other crypto-based gaming sectors.