All XYD tokens will be stored on any external ERC20 compatible wallet (i.e. MyEtherWallet, MetaMask, or imToken).
And how will the platform work with them?
The tokens will never be held nor directly deposited on the XYD platform. Yudi platform has a built-in revolutionary system that can simply scan and read the XYD tokens that are currently held on your ERC20 compatible wallets