A good example for anonymous investments are bearer bonds. They're illegal in most countries (in their purest form) because they're a prime tool for money laundering. It won't be different for any other anonymous investment.
Also, stock markets are by far more efficient than bitcoin, especially when it comes to larger investments. A reason why algo traders are so widespread is because it's extremely cheap to buy/sell stocks if you're an institutional.
Also, stock markets are by far more efficient than bitcoin, especially when it comes to larger investments. A reason why algo traders are so widespread is because it's extremely cheap to buy/sell stocks if you're an institutional.