> A centralized system can ban you because of what you say or even because of who you are. So can anyone who builds a service on top of blockchain technology™

> A centralized system can ban you because of what you say or even because of who you are. So can anyone who builds a service on top of blockchain technology™ which is something a user ultimately has to interface with. Just because you have some unremovable flags set on your magical decentralized database that doesn't mean a service can't choose to ignore it. > eliminate corruption > Imagine a stock market that ran on some next generation blockchain tech that was perfectly transparent without any doubt about the number of shares in existence. No more dirty tricks or fraud possible. Please elaborate, how does any of what you vaguely describe "eliminate corruption". How would it prevent dirty tricks and fraud?