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Are there ready-to-use blockchain libraries to simply create such a blockchain or does everything have to be custom-written and tested manually -> requiring the

Are there ready-to-use blockchain libraries to simply create such a blockchain or does everything have to be custom-written and tested manually -> requiring the developer be an expert?

cottenio 4y ago
Apparently it was a valuable enough idea to Amazon that they spun it up as a service in AWS: QLDB.
- palata 4y ago
  Note: valuable as in "people are willing to pay for it", not as "it is solving a use-case better than alternatives"