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I had to get drunk after reading this.

No, Tendermint is not useful where Raft is. This is such a crass category error it makes me wonder what your actual skillset is.

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Care to enlighten us without resorting to a personal attack Dave?

Raft is not designed for adversarial use; while it is fault-tolerant, it is not Byzantine fault tolerant. Raft (or Paxos et al) are better suited for wholly-owned distributed databases, where a BFT consensus algorithm like Tendermint would usually be inappropriate because of the overhead of cryptographic operations. If you think a large number of your nodes might get hacked, though, you may want a blockchain anyways :)

After you name a system that decided to switch from a Raft-based consensus implementation to Tendermint, sure.

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