Yes, on Openledger.info you can use USD (USDT) and buy OPEN.STEEM (STEEM) with the USD you wired from old school bank account. Your personal wallet is seperate from Openledger. This all takes place on the Bitshares blockchain that runs on M.I.T. servers. Creators of this ecosystem are from Denmark. This site has most of what you need to know. https://www.ccedk.com.
Enter the Decentralized Conglomerate