The evidence
behind the view.

1. CoinGecko

   MARKET / GLOBAL

   Dataset

   BTC, ETH, and SOL spot measures; global market totals; BTC dominance; market breadth.

   Update cadence

   Market and global snapshots every 10 minutes. Breadth every 15 minutes.

   Source type

   Public market-data API

   Raw / derived

   Source facts; DALQEN-derived breadth

   Current coverage

   Major digital assets, total crypto measures, and a versioned liquid-asset universe.

   Last-updated behavior

   Provider timestamps are preserved. The latest successful scheduled check determines current status.

2. Coinbase Exchange

   MARKET / VENUE

   Dataset

   USD spot history, best bid and ask, spread, venue depth, and imbalance.

   Update cadence

   Liquidity every 5 minutes. Price history hourly. Market structure every 15 minutes.

   Source type

   Exchange-native public market data

   Raw / derived

   Source facts; DALQEN-derived market structure

   Current coverage

   BTC-USD, ETH-USD, and SOL-USD on Coinbase Exchange. Venue-specific, not global.

   Last-updated behavior

   Exchange timestamps remain attached to observations. Failed checks do not replace the last valid fact.

3. FRED

   MACRO / SERIES

   Dataset

   Effective Federal Funds Rate, Treasury yields, and the broad U.S. dollar index.

   Update cadence

   Checked every 6 hours.

   Source type

   Official economic-data API

   Raw / derived

   Source facts

   Current coverage

   Selected U.S. rates and dollar series used by the macro evidence layer.

   Last-updated behavior

   Official observation dates remain distinct from retrieval time. Weekends and release gaps remain visible.

4. Federal Reserve

   INFORMATION / OFFICIAL

   Dataset

   Official monetary-policy and Federal Reserve releases.

   Update cadence

   Checked every 15 minutes.

   Source type

   Official publication source

   Raw / derived

   Source facts

   Current coverage

   Published releases available through the approved Federal Reserve source.

   Last-updated behavior

   Publication time is preserved when supplied. Canonical source identity prevents duplicate events.

5. SEC

   REGULATORY / FILINGS

   Dataset

   Official releases, filings, and approved ETF filing facts.

   Update cadence

   Releases every 15 minutes. Filing observations checked daily.

   Source type

   Official regulator and filing source

   Raw / derived

   Source facts; documented holdings changes may be derived

   Current coverage

   U.S. regulatory information and the reviewed filing universe. Current daily ETF flow is not connected.

   Last-updated behavior

   Filing period and publication timestamps remain attached. Later checks do not rewrite historical facts.

6. CFTC

   DERIVATIVES / OFFICIAL

   Dataset

   Official reportable-market open interest for regulated BTC and ETH futures.

   Update cadence

   Checked daily; underlying report is weekly.

   Source type

   Official regulator dataset

   Raw / derived

   Source facts; private derived conditions

   Current coverage

   CFTC BTC and ETH futures open-interest series. Exchange funding, basis, liquidations, and options are not connected.

   Last-updated behavior

   The official observation date is preserved independently of retrieval time.

7. BLS

   MACRO / LABOR

   Dataset

   CPI-U, unemployment, and nonfarm payroll observations.

   Update cadence

   Checked every 6 hours.

   Source type

   Official government-data API

   Raw / derived

   Source facts

   Current coverage

   Selected U.S. prices and labor series used by the macro regime layer.

   Last-updated behavior

   Official monthly observation periods are preserved. No new value is created between releases.

8. PublicNode

   ON-CHAIN / ETHEREUM

   Dataset

   Finalized-block network activity, stablecoin supply, and stablecoin transfer activity.

   Update cadence

   Checked hourly.

   Source type

   Public blockchain RPC

   Raw / derived

   Source facts; private DALQEN-derived observations

   Current coverage

   Ethereum mainnet and the approved USDC / USDT contract scope. No wallet intent or Smart Money labels.

   Last-updated behavior

   Block identity and chain timestamps are retained. Repeated blocks do not create duplicate observations.

Public access to a source does not expand DALQEN’s display rights. Restricted observations remain private when retention, redistribution, or public-display terms require it.