is there any dedicated wallet for DRT, or DEX quotation, or conversely is it mandatory to go through classical exchanges?
Different things can influence your choice of storage solution (security, compatibility,
) but it is always more careful to avoid storing your funds on an exchange wallet. You can keep funds on an exchange wallet (such as HitBTC) when you are trading but it is best to transfer your funds to an offline wallet once you are done trading and only intend to store your tokens.
Hardware wallets represent the safest way to store cryptocurrencies and DRT, such as Ledger, Trezor, Keepkey, Safe-T by Archos
Online wallets like MyEtherWallet, Metamask or Mist are less secure because they are connected to the Internet.
We are writing a complete article about the subject really soon: stay tuned!