Blockchain technology is popular in Japan, USA, South Korea. Most of them are developed nation. Very few developing nation are interested about cryptocurrency. Some countries follows what China does. When China blocked Cryptocurrency then all those countries follows the footsteps of China without evaluating the opportunities. They only look for the threat poses by Cryptocurrency.

One of the main issue with Cryptocurrency in the developing nation is that of money laundering. By nature, Some countries are corrupted. Politicians, Business and other quarters of the societies used to corruption. There is no checks and balances. There is no appropriate measure to hold them accountable.

Yes of course, Money laundering is a prime concern for developing nation. Even with the current situation billions of dollars are shifted to other countries. This implies that the current system is not foolproof. If a corrupted person want to shift money he can do within the existing system. So money laundering issue may not be the case for holding back cryptocurrency.

Blockchain technology can bring transparency to the government organization,
Helps to reduce corruption,
Can help to appropriate and correct land registry,
Helps to reduce adulteration of product

Blockchain can help in every sector of society. The fear of money laundering, Terrorism funding, Illegal drug purchase, may be holding you back from cryptocurrency. Money launder is already happening within the existing system. So dont fear, accept Cryptocurrency.