Blockchain (sometime) can replace third party by some open source code. For example on decentralized Exchange platform you directly exchange your assets ; no tr

Blockchain (sometime) can replace third party by some open source code. For example on decentralized Exchange platform you directly exchange your assets ; no trust, no third party needed. And it is cheaper than third party based exchange. Of course, blockchain does not make sense in all the cases. But third party does represent a cost, and can sometime represent a risk (eg becoming dominant thanks to network effect, then extracting rent), or slow innovation (are you are dependent of this third party). Please keep in mind that blockchain is not only about cryptomoney.