The Nervos CKB (Common Knowledge Base) is the layer 1, Proof-of-Work (PoW) public blockchain protocol of the Nervos Network. It allows any crypto-asset to be stored with the security, immutability and permissionless nature of Bitcoin while enabling smart contracts, layer 2 scaling and captures total network value through its crypto-economic design and native token, the CKbyte. The CKB Token ($CKB) is a minable, proof-of-work token which has the characteristics of Bitcoin when it comes to store of value functions i.e. storing assets and also has features of Ether while implementing smart contracts.