FTX US rises $400 million in Series A round and is valued at $8 billion

    Cryptocurrency exchange FTX US has raised $400 million in its first funding round from investors, including Japan’s SoftBank Group Corp and Singapore’s Temasek Holdings, reaching the market value at $8 billion. The investment gives FTX US a valuation of $8 billion, placing it among the world’s most valuable private crypto firms. Investors in the round…