Too Long; Didn't Read
The only thing that matters in the case of DeFi is the application itself and its features, which are dependant on the blockchain it will be running on. The main attributes for a blockchain are: security, decentralization and scalability. Most of the DeFi projects in blockchain are built on the most popular blockchains currently being MakerDAO. EOS is the latest contender claiming financial freedom for its users. The cost of a one-hour attack on a blockchain is $102,000.