https://signull.cc/proof/A specialist desk for checking online claims and understanding digital evidence. Practical guides to sources, screenshots and the information worth keeping in context.https://signull.cc/proof/how-marketplace-sellers-fake-reputation/https://signull.cc/proof/how-marketplace-sellers-fake-reputation/Fake reputation is rarely one trick. It is a stack of bought reviews, feedback farming, inherited ratings, suppressed complaints and signals that look more independent than they are.Sat, 10 Oct 2026 00:00:00 GMThttps://signull.cc/proof/how-reverse-image-search-works/https://signull.cc/proof/how-reverse-image-search-works/You give the search engine a picture instead of words. Behind the upload box, it turns that picture into machine-readable features and asks a much narrower question: what in my index looks like this?Sat, 10 Oct 2026 00:00:00 GMThttps://signull.cc/proof/how-review-manipulation-works/https://signull.cc/proof/how-review-manipulation-works/The easiest way to distort a five-star rating is not always to invent a review. It is to control who gets asked, what gets counted and what disappears.Sat, 10 Oct 2026 00:00:00 GMThttps://signull.cc/proof/how-to-audit-a-viral-claim/https://signull.cc/proof/how-to-audit-a-viral-claim/Separate the claim from the post, trace it to origin, test the evidence, then decide what the evidence actually supports.Sat, 10 Oct 2026 00:00:00 GMThttps://signull.cc/proof/how-to-spot-purchased-comments/https://signull.cc/proof/how-to-spot-purchased-comments/A wall of generic praise is suspicious, not conclusive. Bought comments reveal themselves more reliably through patterns in relevance, timing, accounts and conversation.Sat, 10 Oct 2026 00:00:00 GMThttps://signull.cc/proof/telegram-impersonation-scams/https://signull.cc/proof/telegram-impersonation-scams/The scam usually does not depend on a sophisticated Telegram exploit. It borrows a trusted identity, moves the conversation into private, and tries to make you act before you verify who is actually messaging.Sat, 10 Oct 2026 00:00:00 GMThttps://signull.cc/proof/why-https-does-not-mean-site-trustworthy/https://signull.cc/proof/why-https-does-not-mean-site-trustworthy/HTTPS can protect the connection to a fraudulent website just as effectively as it protects the connection to a legitimate one. The encryption is real. The trust conclusion is not.Sat, 10 Oct 2026 00:00:00 GMT