# Photon Learn about the Photon, Ethermint's staking token. {synopsis} ## Introduction ::: tip The photon's initial distribution and supply is still TBD and will be announced in the future. ::: The photon is the staking token used in Ethermint. ## Base Denomination Ethermint uses [Atto](https://en.wikipedia.org/wiki/Atto-) Photon as the base denomination to maintain parity with Ethereum. ``` 1 photon = 1×10⁻¹⁸ aphoton ``` This matches Ethereum denomination of: ``` 1 ETH = 1x10⁻¹⁸ wei ``` ## Next {hide} Learn about the supported [JSON-RPC](./json_rpc.md) methods on Ethermint {hide}