What is the "Drex Trilemma"?

You may have heard of Vitalik Buterin's Blockchain Trilemma of Decentralization, Security and Scalability

The "Drex Trilemma" has been the stumbling block in the Brazilian Central Bank's Drex pilot phase. In order to succeed, the project must solve for

- Privacy

- Programmability

- Composability

Marcos Viriato, CEO of Parfin, explains