I've found this diagram to be extremely helpful for thinking about why/why not to use blockchain: https://i.redd.it/uu0qg8t28tq11.png https://i.redd.it/uu0qg8t2

I've found this diagram to be extremely helpful for thinking about why/why not to use blockchain: https://i.redd.it/uu0qg8t28tq11.png https://i.redd.it/uu0qg8t28tq11.png (p.42 https://nvlpubs.nist.gov/nistpubs/ir/2018/NIST.IR.8202.pdf https://nvlpubs.nist.gov/nistpubs/ir/2018/NIST.IR.8202.pdf) One problem is blockchain is good for identity but not so much access/authentication.