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Rayan Oghabianleft a comment
I built PSI-COMMIT because there’s no trustless way to prove you said something before an outcome. Screenshots get faked, timestamps on centralized platforms get disputed, and you always end up relying on someone else’s word. The idea was simple, combine a cryptographic commitment scheme with Bitcoin anchoring so the proof is mathematically verifiable and permanently timestamped, with no third...
PSI-COMMITBitcoin anchored cryptographic commitments
PSI-COMMIT lets you seal a prediction or decision and prove you made it before the outcome — no third party required.
Your message is locked with HMAC-SHA256 and a secret key that never leaves your browser. The commitment is anchored to Bitcoin via OpenTimestamps for a permanent, tamper-proof timestamp.
Save your .psc, .stamp.txt, and .ots files and your proof is self-contained forever.
Free, open source, MIT licensed.
PSI-COMMITBitcoin anchored cryptographic commitments