Founders, entrepreneurs, billionaires on Instagram: "John McAfee — the man who built an empire on code and chaos. He was the eccentric genius behind the world’s first commercial antivirus software, a pioneer who foresaw the digital threats long before Silicon Valley took them seriously. His name became synonymous with protection, security, and billions in value. But McAfee himself was anything but safe. After cashing out of his company, he didn’t fade into quiet luxury — he dove headfirst into e