# Presaid **Source:** https://www.startuphub.ai/startups/presaid **Profile type:** Startup > Cryptographic proof-of-priority for predictions, enabling verifiable claims before outcomes. ## About Presaid provides a service to "stamp" predictions before their outcomes are known, creating a verifiable and tamper-proof record on a public ledger. This notarized certificate allows anyone to independently verify claims, serving individuals and AI agents who need to prove they made a prediction first. The platform ensures complete records by including hits, misses, and expired calls, building an immutable "anchor age" for each user. ## Key facts - **Slug:** presaid - **Website:** https://presaid.io - **Operating status:** Active - **Sectors / tags:** Cryptographic Proof, Verifiable Claims, Prediction Markets, Decentralized Technologies, Data Integrity, Blockchain Technology, Prediction Integrity, Decentralized Applications, Security ## Frequently asked ### What does Presaid do? Presaid provides a service to "stamp" predictions before their outcomes are known, creating a verifiable and tamper-proof record on a public ledger. This notarized certificate allows anyone to independently verify claims, serving individuals and AI agents who need to prove they made a prediction first. The platform ensures complete records by including hits, misses, and expired calls, building an immutable "anchor age" for each user. ### What industry does Presaid operate in? Presaid operates in Cryptographic Proof, Verifiable Claims, Prediction Markets, Decentralized Technologies, Data Integrity, Blockchain Technology. ## JSON-LD Structured data aligned with this page's `