01Definition
A test error that lets a strategy use information unavailable at the simulated decision time.
02Context
A test error that lets a strategy use information unavailable at the simulated decision time. This coordinate is placed in the wider system through its protocol, economic and historical relationships.
03Why it matters
Understanding Look-ahead bias helps distinguish a verifiable Bitcoin mechanism or historical record from slogans, products and market narratives.
⌖Reference points
01
Linked to related atlas coordinates
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Grounded in a source record
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Explains function and trade-offs
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Part of the open Bitcoin knowledge graph