Nervos CKB is a public permissionless blockchain and the layer 1 of Nervos.
CKB generates trust and extends this trust to upper layers, making Nervos a trust network. It's also the value store of the Nervos network, providing public, secure and censorship-resistant custody services for assets, identities and other common knowledge created in the network. We will also vigorously develop the developer community and aim to offer blockchain developers exciting new capabilities.
As dapp developers, you might need clarifications on specific part from time to time, Reference will be your best friend on this topc.