Below is a concise and easy instruction on how to purchase Tezos from Cayman Islands on the Changelly site:
Please take note that this might take from a couple of minutes up to a few hours for Tezos to land in the wallet you have provided. We are doing our best to transfer your XTZ as fast as we can, however, at times there might be delays caused by the below reasons:
- Load on the blockchain;
- Cryptocurrency updates;
- DDoS attacks.
Voila! Your XTZ will appear in your wallet promptly.