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What is end-to-end encryption?

End-to-end encryption refers to an encryption paradigm where a communication's encryption is uninterrupted from the sender's 'end' to the receiver's 'end', wherein no one besides the sender and recipient can decrypt the communication or access the data.

With Peerio, your data is encrypted locally on your device with a key that only you have (your passphrase). This means your data is encrypted before reaching Peerio's servers, and Peerio has no way to decrypt your data. That initial encryption protects your data in-transit and when stored in the Peerio cloud, preventing any third party from accessing it (including us!). It can only be decrypted and accessed once it has safely been received by your recipient, who is able to decrypt it locally on their device. 

End-to-end encryption is essential for protecting data from being read or modified by intermediaries, and ensuring the confidentiality and integrity of your communications.

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