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Peakd.com is the front-end I'm using.

Thanks for your help, it's genuinely appreciated.

Keep your voting mana above 80 as it recovers at a rate of 20% per day. And what you asked about in blue is resources. Every action you take on Blockchain is an economic transaction and those are the resources you have to comment, post, vote, etc. They are fine as long as you have some Hive Power.