What would be the best way to get a genuine token contract address to load in the Selfkey Wallet?

There are a few ways to check the validity of a smart contract, token, coin, etc:

  1. Use only official channels (website, blog, newsletter, social accounts) of the foundation/company to get the smart contract address and other information.
  2. If you are using Etherscan, the website has a few validation mechanisms: Reputation, Checkmark and Transfers (read more).