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The three that I have found thus far are ODEM.IO, Blockchain.open.ac.uk, and BitDegree. But all are fairly underdeveloped and don't span into music tuition; the arts are always the last to be integrated it seems - I have lost so much work from music being 'last in, first out'.

If I do intend on developing an educational service, to a serious degree, I will put Musely on Steemit and see if it builds any traction. I would certainly have the time to blog about the foundational topics of music in order to teach those that are just starting out. I just have not the time nor the money in order to produce the standards I beleive such a project deserves.

I'll have a look into the blockchains you mentioned, never heard of any of the three, so it'll be interesting to check them out.

Yeh, I know what you like to get to with the standards you like to have. That would be awesome, and I think it is indeed also very important when bringing something to the market, it also looks good, next to all the good content of course.

Steemit is indeed a great place to bring some of your knowledge to a wider audience. And at the same time, you can earn some money with it and build some new connections.