So is a distrubuted, trustless system allowing transferring information securely.

Not really. NIST did a really good introductory blockchain technology whitepaper in 2018:

* https://csrc.nist.gov/pubs/ir/8202/final

Figure 6 is a decision flowchart laying out whether blockchain or some other technology would be best for various needs / use cases, and blockchain is very niche:

* https://twitter.com/justincormack/status/1048875246437195778

Needing both distributed and trustless simultaneous isn't common, especially in the modern, connected world:

Reputation is a technology. We solve a lot of problems in the economy by turning one-shot games, in which people literally take the money and run, and turn them into repeated games, in which people have an incentive to behave well in this period so that you will trust them next period, and so on, into the future.

* Paul Krugman, https://www.youtube.com/watch?v=Y_IYGeZLLhI&t=10m30s