How does DCR work?

As a seasoned investor in the crypto world, I'm often fascinated by the innovative mechanisms underlying various cryptocurrencies. With Decred, or DCR, for instance, I'm curious about how it actually functions. Could you elaborate on the core principles and workings of DCR? Specifically, I'm interested in understanding its consensus mechanism, how it ensures security, and the role of stakeholders in its ecosystem. Furthermore, how does DCR aim to balance governance rights with financial incentives? Your insights would be invaluable in helping me make a more informed decision about investing in this particular cryptocurrency.