Yes bitcoin is really secure. no one can steal bitcoin, except for our own carelessness. 
The government can not be that easy to ban bitcoin transactions, because bitcoin is the future.
Yes because a News reports indicate that bitcoins are being used in the country. The Costa Rican Central Bank announced that bitcoin and cryptocurrencies are not consider currencies, and are not backed by the government nor laws. However, they are not illegal.The government can not be that easy to ban bitcoin transactions, because bitcoin is the future.