Digital signatures
A digital signature is a secure way to confirm the authenticity of digital messages or documents. It uses cryptographic technology to create a unique code that verifies the sender's identity and ensures the message hasn’t been tampered with. Think of it like a handwritten signature or a fingerprint, but for electronic files. When you sign a document digitally, you generate a code that only you can create, which recipients can verify easily. This adds a layer of security, making digital signatures vital for online transactions, contracts, and communications, ensuring trust in the digital world.
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Digital signatures are a modern way to validate the authenticity and integrity of digital messages or documents. They work like a handwritten signature but are much more secure. When you sign a document digitally, a unique code, created using encryption, is attached to it. This code ensures that only the signer could have created it and that the document hasn't been altered after signing. Digital signatures are widely used in online transactions, contracts, and communications to provide assurance that the sender is legitimate and that the message remains unchanged.