> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.stackinsat.com/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# How do I know if my bitcoins are safe?


### Securing Your Bitcoins and Funds 🔒

📌 **For customers using the "Vault" (Coffre-Fort) storage option, we offer a Proof of Transparency system.**

With **Proof of Transparency**, you can **track your personal wallet directly on the blockchain**, ensuring that **StackinSat always holds your Bitcoins in a dedicated wallet just for you**.

🔎 **Learn more about our Proof of Transparency here:**  
👉 [Proof of Transparency – Track Your Bitcoin Holdings](https://help.stackinsat.com/fr/article/preuve-de-transparence-video-197cfzi/)

### Full Control Over Your Euros 💰

💡 **Only transfers initiated by you from your banking app are possible.**  
🚫 **No one can access your euros or Bitcoins through your StackinSat account.**

📌 **Your StackinSat account is simply a dashboard displaying a summary of your transactions and performance.**  
📌 **The only sensitive data displayed in your dashboard is your Bitcoin receiving address.**

### Enhanced Security with 2FA 🔐

⚠️ **This is why we have implemented mandatory two-factor authentication (2FA) to modify your Bitcoin receiving address.**

With 2FA:  
✔️ **Only you can change your receiving address.**  
✔️ **No one can redirect your Bitcoin deliveries to another wallet.**

🔐 **Your security is our priority!**