Below is a concise and easy instruction on how to purchase THETA from Sudan on the Changelly site:
Please be aware that this may take from a few minutes up to a couple of hours for THETA to arrive into your crypto wallet. We undertake to transfer your THETA as prompt as possible, but from time to time there are delays because of the following reasons:
- Overload of the blockchain;
- Updates of cryptocurrency;
- DDoS attack.
That's all! Your THETA will be transferred to your wallet asap.