Full optimized block template txid list from the live Core v31 optimizer cache. Requests up to 4,000 txids, constrained by Bitcoin block weight. Returns ordered txids, template metadata, baseline-vs-optimized fee totals, mempool size, fee uplift, baseline comparison, coinbase value, and Ed25519 receipt metadata for Stratum V2 Job Declaration workflows.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.05 USDC | 0x0300...A1d4 |
| Polygon | exact | $0.05 USDC | 0x0300...A1d4 |
| Arbitrum One | exact | $0.05 USDC | 0x0300...A1d4 |
| eip155:480 | exact | 0.05 tokens | 0x0300...A1d4 |