Validate an ISBN-10 or ISBN-13 checksum (hyphens/spaces ignored) and report which format it is.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.001000 USDC | 0xaBF4...a9D0 |
| Polygon | exact | $0.001000 USDC | 0xaBF4...a9D0 |
| Arbitrum One | exact | $0.001000 USDC | 0xaBF4...a9D0 |
| solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp | exact | 0.00 tokens | J7aN3P...3xwg |