Change Check. REQUIRES ?baseline_cert_id= and ?host= on the paid request — a signed request without them is refused before the gate and no money moves. A signed comparison of a retained original with current recorded observations, dates and gaps Full listing: https://scvd.store/menu/change_check. MCP tool: buy_change_check.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.005000 USDC | 0xDD35...9bd0 |
| Polygon | exact | $0.005000 USDC | 0xDD35...9bd0 |
| Arbitrum One | exact | $0.005000 USDC | 0xDD35...9bd0 |
| eip155:480 | exact | 0.01 tokens | 0xDD35...9bd0 |
| solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp | exact | 0.01 tokens | DGxcPr...vMgE |