So who guards the blacklist? A central authority like that goes against the whole point of Bitcoin, might as well use Paypal at that point. A blacklist like yo

So who guards the blacklist? A central authority like that goes against the whole point of Bitcoin, might as well use Paypal at that point. A blacklist like you suggest has been tried and shot down many times, for example: https://bitcointalk.org/index.php?topic=333824.0 https://bitcointalk.org/index.php?topic=333824.0