This is my first time even using Ethereum.  It didn't make a good impression.  I was getting errors and gave up thinking it didn't work.  The Ether funds disappeared from my account when I first sent and then reappeared a short time later when the errors were happening and then when I checked later in the day they had disappeared again.  So presumably I have Bancor tokens now.

Is whatever that caused the problem in Ethereum during the ICO fixable in Ethereum or will this happen every time there is a spike in traffic or DDOS attempt?  Are any of these platforms able this kind of thing efficiently?