Open protocols on Bitcoin that anyone can verify without trusting a company
Check if a token is the issuer's stock token and how far its on-chain price is from the issuer price
Stage
Startup
Startup
Founded
2025
Not given
Based in
Not given
Not given
Pricing model
Freemium
Free
Pricing
Protocol tools and ochk.app sign-in are free. Apps that pay users on ochk.app pay a 20% platform fee. vault.ochk.io offers cloud sync priced in sats and paid on-chain.
Not given
Key features
Bitcoin-backed accounts
Free, self-hosted verification tools
Issuer registry verification against official Coinbase and Robinhood contract lists
Real-time price gap monitoring updated every 15 minutes
Issuer reference prices with age tracking against NYSE calendar
Impostor token detection for symbols and naming copies
Public read-only MCP server for AI agents
Six read-only MCP tools including find_stock_token and verify_stock_tokens
Data with time and source citations for verification
Daily public exam comparing answers against issuer registries
What makes it different
Bitcoin-backed verification - anyone can check signatures against the blockchain without trusting orangecheck
Open, public specifications under MIT license
Non-custodial - protocols never hold coins or keys
Self-hostable verification - protocols work offline without orangecheck's infrastructure
Paid only in sats, no token or investors
Independent verification with no issuer affiliation or endorsement required
Transparent sourcing with every answer showing its source and data age
API-free integration for AI agents with no authentication or keys needed
Split price tracking by market session to explain closed-market drift
orangecheck
Proof of Stock