I am well versed with :-
1. Crypto and Blockchain Development
2. Smart Contract,
3. Solidity,
4. NFT (NFT marketplace and NFT gaming site),
5. Blockchain Development,
6. DApps,
7. Crypto Exchange Platform,
8. Defi,
9. ERC-20,
10. Payment Gateway Integration,
11. Security Token Development.
other than this I can customize my services as per your requirements.