yousaidthat.org

Prove that you said things before anyone else

Vercel DayDeveloper ToolsGitHubBitcoinEncryption

▲ 65 votes3 commentsLaunched Jun 16, 2026

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Daily #35Weekly #73

YouSaidThat lets you seal any prediction. A market call, a hot take, a thesis — with SHA-256 hashing, AES-256-GCM encryption, and RFC 3161 timestamps. No one can see it until you reveal it. Once you do, anyone can verify you wrote it exactly then, without trusting you or any platform. Built on open cryptographic standards. No accounts needed. Fully auditable. Your proof lives outside any server.

AI Analysis

📝 Summary

YouSaidThat.org allows users to seal any prediction, market call, hot take or thesis using SHA-256 hashing, AES-256-GCM encryption, and RFC 3161 timestamps. Content stays hidden until the user reveals it; once revealed, anyone can cryptographically verify it was written at exactly that time without trusting the user or any platform. Core features include no accounts required, full auditability via open standards, and proofs that live outside any server. It solves the pain point of lacking credible proof when claiming 'I said that first' in debates, forecasts, or idea ownership. The value proposition is trustless, verifiable priority using mature cryptography.

📈 Market Timing

In 2025-2026, rising concerns around AI-generated content, misinformation, deepfakes, and demand for verifiable digital provenance align perfectly with this tool. Cryptographic standards like RFC 3161 are mature, Bitcoin/web3 interest remains strong for timestamping, and user demand for trustless social proof is increasing amid polarized online discourse and prediction markets. Policy support for digital signatures in many regions is favorable. Excellent Timing.

✅ Feasibility

Technical difficulty is low as it leverages well-established open cryptographic libraries and public RFC 3161 timestamping services. Development and operation costs are minimal for a server-light, no-account web app. Compliance risks are very low with no user data stored. Scalability is high since proofs are self-verifiable and live off-chain. Team fit is strong for developers familiar with crypto standards. Overall rating: High.

🎯 Target Market

Primary users are tech-savvy developers, cryptocurrency enthusiasts, financial analysts, journalists, traders, and online commentators who publish predictions or opinions. Demographics: 25-45 years old, global with concentration in US and Europe. Industries: fintech, crypto, media, software development. Estimated market size is niche; TAM for digital notarization/timestamping tools is moderate (~$200-500M), SAM for crypto/proof tools smaller. Core pain is inability to prove prior statements credibly. Willingness to pay appears moderate for premium verification features.

⚔️ Competition

Medium. Direct competitors: 1. OpenTimestamps (opentimestamps.org), 2. OriginStamp (originstamp.org), 3. Proof of Existence (proofofexistence.com), 4. Poex.io (poex.io), 5. BTProof (btproof.com). Advantages vs competitors: unique 'seal until reveal' with AES encryption for privacy, narrative focus on predictions/hot takes, no accounts, fully client-auditable. Disadvantages: newer entrant with lower brand recognition, potentially steeper learning curve for non-technical users, lacks blockchain anchoring some competitors offer.

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