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How to determine if you need a block chain:

(1) Are you building a fully decentralized global ledger for use by multiple parties that do not share a common basis of trust?

If YES: Congratulations! You might need a block chain.

If NO: You do not need a block chain.

There are no more questions. :)

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Exactly, and when there's a use case for a blockchain that isn't "building a trustless currency", I'd love to know, because everything else I've heard would be better suited by a database on a server.

Decentralized DNS and distributed CAs are possibilities, but those are quite close to a distributed trustless currency in that they apportion a finite resource or assign trust.

It started as we wanted to avoid using credit cards and thus having to identify users (the whole point of this new product is 100% privacy). The token will be user to run a TCR-like appstore on the consumer side, and to incentivize people to participate in federated learning developer side.

Why make your own token? Why not use an already-existing currency like Nano or something?

(It's a rhetorical question, I know the answer is "because we want to sell our tokens for a shitload of money")

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