This is the right move, and its a move that will save them tens of thousands of customers. Also, it says in their TRADING RULES - SECTION 3: MARKET INTEGRITY - RULE 3.1 B - Due to a serious technical error, Orders or Fills do not occur as specified in these Rules - in which case Coinbase will make all reasonable efforts to restore all Traders to the position they would have been in had the error not occurred.