Here is a brief and understadable guide on how to obtain Polkadot from Serbia on the Changelly website:
Please take note that this might take from a couple of minutes up to a few hours for Polkadot to land in the wallet you have provided. We are doing our best to transfer your DOT 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 DOT will appear in your wallet promptly.