This seems fun. I'd be interested to hear how people who have never programmed before react to, and cope with the 'puzzle'. I didn't find any information beside the game itself.
I'm not an expert, but here's my summary: Profits from bitcoins are taxed as capital gain, except for profits gained from mining or games, which are taxed as earned income.
I don't know why that is, but you can get around it by creating an empty list of friends and adding it to the 'Turn on chat for only some friends...' section of the advanced chat settings.
I use Wolfram Alpha to check if I solved my math assignments correctly. Can you solve e.g. limes with Google? I tried a couple of syntaxes but nothing.