As an example! Reliable file storage in data centers is typically ensured by creating three exact copies of the file and storing them on different servers. Casper implements a similar principle by storing the file in 4 or more copies at different service provider computers, which may be
located anywhere in the world. A service provider shall be imposed with requirements, adherence to which ensures a reliable distributed provider network. Compliance with requirements shall be validated continuously.
And we are universal. We do not limit developers DApp in the selection of the blockchain platform
More information in our White Paper: http://casperproject.io/docs/Casper_whitepaper_eng.pdf
Yes, our offer for DApp is more profitable