Below is a concise and easy instruction on how to purchase Cardano from Chad on the Changelly site:
Please take note that this might take from several minutes up to several hours for Cardano to appear in your wallet. We try to transfer your ADA as fast as we can, however, at times there might be delays caused by the below reasons:
- Overloaded blockchain;
- Crypto updates;
- DDoS attacks.
Voila! Your ADA will be in your wallet soon.