Crypto ETF Sentinel — Historical time series for one XBRL concept (AUM, NAV, shares-outstanding, etc.) on one US spot crypto ETF issuer. Quarterly cadence. Pass the issuer's SEC CIK as the ``cik`` query param.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.10 USDC | 0x169B...83d1 |
| solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp | exact | 0.10 tokens | Ezzbt3...pMxk |