Basisproof vs K-Line Lens

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 K-Line Lens
Detail	Basisproof	K-Line Lens
What it does	Fill-level tax recomputation for Hyperliquid traders	Bitcoin terminal showing order flow, liquidations and whale trades live
Stage	Startup	Not given
Founded	2026	Not given
Based in	Not given	Not given
Pricing model	Freemium	Free trial
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
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	Real-time order flow tracking Bitcoin liquidations monitoring Whale trade alerts API access Custom bots
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	Combines price data with order flow and whale trade information on one screen Three days free trial with no credit card required
Community votes	0	0
DR (Domain Rating by Ahrefs)	Not checked yet no change since last check	Not checked yet no change since last check
Trust Flow (Majestic)	0	0
Citation Flow (Majestic)	0	0
Referring domains (Majestic)	0	0

4 details filled in for both companies.

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