Create Fungible Tokens

Currency creation process

The registry system supports two currency creation methods:

1. Standard creation: Call new_currency<T>() when creating the coin outside of the init function of your package.
2. One-Time Witness creation: Use new_currency_with_otw<T>() with a One-Time Witness for uniqueness proof.

:::caution Proper creation and RPC support requires a second transaction to promote the currency to the registry. :::

Both methods return a CurrencyInitializer<T> that allows configuration before finalization:

<details> <summary> Regular currency creation </summary> <ImportContent source="examples/move/coin/sources/non_otw_currency.move" mode="code" /> </details> <details> <summary> One-Time Witness currency creation </summary> <ImportContent source="examples/move/coin/sources/my_coin_new.move" mode="code" /> </details>

The initialization process allows for:

• Supply model selection: Choose fixed, burn-only, or flexible supply.
• Regulatory configuration: Add deny list capabilities if needed.

:::caution Proper creation and RPC support requires a second transaction to promote the currency to the registry.

After initialization of a currency using the One-Time Witness method, you must call coin_registry::finalize_registration to create the shared Currency object that the Coin Registry can track.

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