blockchain test online

If you are expert in blockchain, please contact me.
Not expert, don't contact me. will waste you and my time.
blockchain test online covers the
- javascript
- ethereum
- smart contract
- web3.js
- c++
- NFT marketplace
- solidity
- python
you should pass online test with these skills.
if you pass this test, will pay $100.
if you don't pass, will pay $50.
if you show good result, will add bonus.