According to TechFlow, the decentralized GPU cloud infrastructure Aethir announced that ATH will be minted on the Ethereum mainnet, and airdrop claims and staking will be carried out on the Ethereum mainnet.
The Ethereum contract address of ATH is 0xbe0Ed4138121EcFC5c0E56B40517da27E6c5226B.
Checker node NFTs and Checker operations/rewards are on Arbitrum. Other compute provider operations and rewards are also on Arbitrum.
(Arbitrum) The cross-chain contract address is 0xc87B37a581ec3257B734886d9d3a581F5A9d056c.