CoinVoice has recently learned that, according to Coinbase Assets, Coinbase will support Caldera (ERA), which is an Ethereum network (ERC-20) token.

Currently, the transfer of ERA assets is open in regions where trading is supported by Coinbase and Coinbase Exchange. If liquidity conditions are met, the ERA-USD trading pair will be launched in phases, and some jurisdictions may have restrictions. Additionally, ERA will be labeled as 'experimental'. [Original link]