Update README.md

Author: SATUNIX

README.md

@@ -35,7 +35,8 @@ You may be asking **"but satunix why is this so special?" "These implants can do
 ## Key Features
 
 - **Asymmetric Encryption**: Utilize RSA encryption to secure your files. Files are encrypted with a public key and can only be decrypted with the corresponding passphrase protected private key.
-- **Decentralized Storage**: Leverage IPFS for secure, decentralized file storage.
+- **Symmetric Encryption**: Utilize a Apex or FlexSecure implant with keycard to use Multi Factor Symmetric encryption on your files, supply a passphrase, scan your card, files secured. 
+- **Decentralized Storage**: Leverage IPFS for secure, encrypted, decentralized, and immutable file storage.
 - **Go Implementation**: Built with Go, taking advantage of its powerful concurrency features and efficient data handling.
 
 ## Prerequisites