Basisproof vs Proof of Stock
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Basisproof compared with Proof of Stock
| Detail | 
Basisproof | 
Proof of Stock |
|---|
| What it does | Fill-level tax recomputation for Hyperliquid traders
| Check if a token is the issuer's stock token and how far its on-chain price is from the issuer price
|
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| Stage | Startup
| Startup
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| Founded | 2026
| Not given
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| Based in | Not given
| Not given
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| Pricing model | Freemium
| Free
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| Pricing | Free tax check available; full reports priced by fill count, paid in USDC on Arbitrum, Base or Ethereum. Reports start from $29.
| Not given
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| Key features | - Fill-by-fill recomputation of realized PnL, funding events, and signed fees
- Full trading history reconstruction from independent chain indexer
- Two-axis independent verification system
- Sub-account and linked wallet support
- Reconciliation against venue's official curve with measured disagreement disclosure
- Cost basis calculation with FIFO and weighted average methods
- Exchange-carried basis import from Kraken and Coinbase
- Public data analysis with no sign-up or key upload
| - 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
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| What makes it different | - Reconstructs complete trading history from chain data, not limited to venue API's ~30-hour window
- Prints venue data disagreements rather than hiding them
- Every number is re-derivable and reproducible from public venue data
- Handles complex account types other tools miss or miscalculate
- Signed fee handling prevents rebate miscounting
| - 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
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | Not checked yet ● no change since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 0 | 0 |
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| Citation Flow (Majestic) | 0 | 11 |
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| Referring domains (Majestic) | 0 | 1 |
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5 details filled in for both companies.
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