The law of back reactions in bitcoin.If a bank transaction was sent to a wrong account, that transaction can easily be reversed by the help of a customer service. It will be a plus to blockchain if a mistake in transactions happens like sending coin to a wrong address and it can be reversed.It will be nice if that can happen, Some many people here have really lost some money because of some mistakes in address.
The flexibility of bitcoin needs a backward reaction, A transaction that can easily be reversed if any mistake comes up,Bitcoin is growing and moving so fast that about 70 percent of world will ready to have bitcoin as a coin in there wallet.