authenticity verification

Authenticity verification refers to the process of confirming whether something, like a document, an artwork, or data, is genuine and not a fake or counterfeit. This can involve examining the physical characteristics, such as signatures or materials, and comparing the item against known authentic examples. In the digital realm, it may involve checking the source or using technology like blockchain to ensure information hasn't been altered. Essentially, authenticity verification helps ensure that what we see or use is real, trustworthy, and reliable, which is important for preserving integrity in various fields, including art, history, and information sharing.