If your Telegram is hacked, then alas - your funds will be at the disposal of the attacker. Therefore, we strongly recommend set two-factor authentication for your Telegram account.
Detailed information on how to protect yourself and your Any.Cash account from loss of funds due to account hacking or loss of your devices is described
in this article. As for hacking of our servers, the hacker will not receive anything. All information is stored in encrypted form and access to it can be obtained only by request from your Telegram account. We cannot see your balances, private keys and any other sensitive information.
Only the nickname in Telegram + the hash of the private key from the wallets are stored on the servers.