Bitstack is registered as a digital assets service provider (DASP) with the Financial Markets Authority in France, which oversees and ensures the compliance of our third-party asset custody service.
We have put in place several measures to ensure the security of your account, your data and your money. We have eliminated all single points of failure, such as private key management as it is never accessible from a single device at any given time, and we have also implemented specific approval policies for each transaction to avoid any possibility of computer compromise. You can find more information about this on our website: https://www.bitstack-app.com/security.
If you want to secure your bitcoins yourself, you can withdraw them and send them to an external BTC address at any time.