A concept in law and information technology that ensures that a party in a transaction cannot deny the authenticity of their signature on a document or the sending of a message itself.

अद्वितीयता

English Usage: Non-repudiation ensures that once a message is sent, the sender cannot deny having sent it.

Hindi Usage: अद्वितीयता यह सुनिश्चित करती है कि एक बार संदेश भेजे जाने के बाद, भेजने वाला इसे भेजने से इनकार नहीं कर सकता।