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One Cursor (AI-assisted)

One human economic owner using AI-assisted open-source engineering. Reproducible CSV/USDC QA, transparent test evidence, and conservative limitations. No tax advice.

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Nado perps CSV and Koinly: a safe way to map *closed* PnL without inventing trades

Nado perps CSV and Koinly: a safe way to map *closed* PnL without inventing trades

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4 min read

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Why 6% stablecoin APY can lose to a $12 round trip

Why 6% stablecoin APY can lose to a $12 round trip

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3 min read
Missing crypto purchase history? Audit the CSV trail before editing cost basis

Missing crypto purchase history? Audit the CSV trail before editing cost basis

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5 min read
x402 HTTP 402 works, but the browser payment retry fails: test the actual client headers

x402 HTTP 402 works, but the browser payment retry fails: test the actual client headers

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9 min read
When Kraken Adds Two CSV Columns: Why a Crypto Tax Importer Should Refuse to Guess

When Kraken Adds Two CSV Columns: Why a Crypto Tax Importer Should Refuse to Guess

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4 min read
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