# Implementations

Venue-specific notes on how `Report` sources its snapshots and history.

- [dYdX](/sdk/docs/report/implementations/dydx) — which indexer, chain and governance sources feed each bucket
- [Ethereum](/sdk/docs/report/implementations/ethereum) — snapshot and history providers per EVM network
- [MEXC](/sdk/docs/report/implementations/mexc) — which spot and futures endpoints feed snapshot and history, and their limits
- [Kraken](/sdk/docs/report/implementations/kraken) — the account ledger, one record per row