Polkadot EVM Smart platform

• The EVM smart contract parachain PSC developed by the ChainX team uses DOT as the original Gas fee.
• PSC will be integrated into the Omnichain financial platform OmniBTC to help us achieve PolkaDot's mission of universal chain interconnection.

For a detailed description please refer to this:

https://github.com/OmniBTC/PSC/issues/1