Hi Elpaisa,
Now that I have to withdraw my currency exchange coins.
In which wallet can I store them?
In general the use of the official 611 coin wallet is recommended:
https://611project.org/explore/If you just like to store your assets safely the use the Paperwallet should be considered:
https://paperwallet.611.toThe PaperWallet can also be used to generate Bitcoin and other crypto offline currency wallets.