The users who need to use the desktop version will be required to interconnect with the mobile Opera cryptocurrency wallet and then use the handset ...
source https://www.google.com/url?rct=j&sa=t&url=https://bitcoinwarrior.net/2018/09/ethereum-eth-supported-opera-labs-arrives-for-desktops-cryptocurrency-wallet-integrated/&ct=ga&cd=CAIyGmM2Nzk3ODA2ZWViNjVjODI6Y29tOmVuOlVT&usg=AFQjCNG93EaMN10nKVA8FuimjlAJtPQ_nA
