[Alex3917]

> A trusted third party

What does an industry with thousands of different major players have to gain by coming together to give a single company a monopoly over their entire industry? And in fact, one of the biggest strengths of blockchain is that it provides a viable alternative to monopolies for various industries.

[michaelmior]

I don't think the parent was suggesting there be a single trusted third party.

[darawk]

> A trusted third party, with an immutable transaction ledger

This is overall great. QLDB is necessary for a lot of things, and it will be useful for a lot of the stupid 'blockchain' projects to be displaced by a better technical solution.

Now cryptocurrencies and blockchains are exactly what they are: a decentralized version of this. I believe that decentralization has some use cases that are extremely important. Now it can stand on its own, without being conflated with verifiable ledgers.

[qyv]

Using a private blockchain has the same issue of trusting a third party. As soon as someone has control of who can write to the ledger, you need to trust them, period.

[Kinnard]

A lot of people would assert that "private blockchain" is an oxymoron. The semantics have not resolved yet.

I expect that they will resolve to exclude such things.

[petra]

Well AWS is already the trusted third party for so much stuff. What's another db ?

[dogma1138]

Ask the financial industry e.g. Swift.