# Skywalk ANT

While the first Skywalk Prediction Token Standards are focused on wrapping around existing market architectures, Alternative Native Tokens (ANT) allow emerging builders of new on-chain prediction markets to natively issue position tokens that are compatible with Skywalk from Day 1.

### Factory

For security reasons, issuance must come from a token factory. Immutability is preferred.

### Decimals:

* EVM Chains: 18

### Schema

Tokens should include the following metadata, stored as public variables in your token contract.

| Required Variable       | Usage                                                                                        |
| ----------------------- | -------------------------------------------------------------------------------------------- |
| `MARKET_ID`             | Skywalk Market ID. Please reach out to register an ID block.                                 |
| `SKYWALK_ANT_EDITION`   | Skywalk Alternative Native Token Edition                                                     |
| `SKYWALK_EXCHANGE_CODE` | Exchange Identifier. Please reach out to register an exchange code.                          |
| `OUTCOME_HASH`          | A hash of the `MARKET_ID`, External Condition Hash and the specific outcome/side (YES or NO) |
| `PAIR_HASH`             | A hash of both outcome hashes for a particular condition                                     |

Please ensure that the External Condition Hash you use is globally unique across your own exchange and is easily reconstructable by others.

| Optional Variable        | Usage                                                |
| ------------------------ | ---------------------------------------------------- |
| `SKYWALK_META_PAIR_HASH` | Skywalk Meta Pair Hash. Use 0 hash if not available. |
| `SKYWALK_META_PAIR_SIDE` | Skywalk Meta Pair Side. Use FALSE if not available.  |

Skywalk Meta Pair Hashes refer to matching prediction markets at different exchanges.


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