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Sure, we'll announce some new coins soon, probably right after holidays. And we'll continue to add new coins for users without registered accounts also, it's just a smaller set.

Thanks for that very quick and positive answer, @blocktrades :)

Can I just get a bit of help with transaction. I still did not get steem on my account while exchange was done 31.12.

I can't assist you directly, but you can file a support request here: https://blocktrades.us/support