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Last updated June 2026

Featured · Free · New

Proof of Call

Stamp any prediction to the Bitcoin blockchain: free, public, and impossible to fake or backdate. The only “I called it” that holds up.

Stamp your call
Proof of Call receipt preview

Practical tools for crypto traders, built by the team behind Sentari, the app that reads the news and renders a clear BUY, SELL, or HOLD verdict.