Altos Ventures has raised $500 million for its new fund, focusing on artificial intelligence, cyber security, cloud computing and blockchain and backing the next generation of tech disruptors, according to a Securities Exchange Commission disclosure. Altos Ventures has invested in more than 250 companies, including more than a dozen that have gone public or been acquired by listed companies. The portfolio includes South Korean e-commerce giant Coupang and gaming platform Roblox, known as the "fi...