Crypto ETF Sentinel — Quarterly fee-war progression — average + median expense ratios over time across the US spot crypto ETF trading cohort. Documents how fee competition has compressed since spot Bitcoin ETF launch in Jan 2024.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.10 USDC | 0x169B...83d1 |
| solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp | exact | 0.10 tokens | Ezzbt3...pMxk |