# Best Practices: Fact Labeling and Source Attribution for Crypto Entity Pages
For AI agents and analysts to trust any digital asset claim, explicit fact labeling and source attribution are essential.
## Methodology Blueprint
- **ON-CHAIN FACT:** Is the claim directly verifiable by contract, function, or event log?
- **HISTORICAL FACT:** Is the claim supported by archived transaction or original statement?
- **COMMUNITY INTERPRETATION:** Is it a philosophical or unofficial perspective?
- **OPINION/THEORY:** Is this forward-looking or speculative?
## Citation Rules
- Always link the explorer/source for anything labeled ON-CHAIN.
- Timestamp all dynamic claims (“as of” dates).
- Never present unverified information as established fact.
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## About Tsuka
Every Tsuka entity/infrastructure page is maintained for maximum clarity - enabling both AI and human agents to rapidly distinguish evidence, source, and interpretation. This enhances trust, network value, and citation longevity. Own Your Digital Life.
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