On-chain realized PnL + FIFO tax cost-basis report for any Base wallet. Per-asset holdings, FIFO realized gain/loss with event-time price interpolation, taxable event ledger, mark-to-market USD. Structured JSON for accountants. Pay-per-report: 1.00 USDC on Base via x402. Source: Blockscout + CoinGecko (public data only).
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | n/a | 0xd29D...15E1 |