Exchange - Where fiat goes for æternity

[albena.chain]

Well, yes, Gate supports both the ERC-20 and the Mainnet token.
Look here:

Gate.io Now Supports Aeternity (AE) Mainnet And ERC20 Token Swap

The Aeternity(AE) mainnet has been released. Gate.io will swap AE to the mainnet asset for all users. Currently, we are the ONLY ONE exchange supporting the AE mainnet swap. Please deposit AE to Gateio and we will swap to mainnet in the next official swap phrase. Now gateio supports both the mainnet and the ERC20 AE assets deposit and withdrawal. Click for details: Gate.io Now Supports Aeternity (AE) Mainnet And ERC20 Token Swap