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Sources and limits
BASIN replays Arc pool trades we recorded (GeckoTerminal plus our own indexer) since mainnet day. A tow applies your confirmed rule to every launch in that window and reports launches taken, win rate and maximum drawdown. It ignores fees, slippage and your own market impact, and it cannot see hours we did not record. A voyage is matched when your real trade’s outcome, read from the Arc RPC, falls inside the middle 80 percent of the tank’s outcomes sealed before you traded. We never hold funds and never place trades.
Data: GeckoTerminal public API (30 calls/min), Arc public RPC (eth_getTransactionReceipt, eth_getLogs Swap over a 5000-block window), no explorer scraping (explorer.arc.io returns 403 to non-browser requests). No custody. No token information before launch.
Proposed features not yet built: cross-chain launches, a public API for the tow engine, notification on state change. This page discloses that gap plainly rather than implying they exist.