The initial model of the Cosmos Hub involved a fee token called PHOTONs, which limits the usage of ATOMs to governance and staking. Upon launch, the concept of the fee token has been deprecated, and today, ATOM serves as both the governance/staking token and the fee token. Not only Cosmos, but also most layer 1s in the blockchain space such as Ethereum, Avalanche, and Solana run a single-token model. Gnoland on the other hand, is looking to adopt a dual token model similar to the initial Cosm...