What is CKB?

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What is CKB?

Accepted Answer

## TLDR
Nervos Network (CKB) is an open-source, layered blockchain ecosystem designed as a secure, decentralized foundation for a peer-to-peer crypto-economy, with a growing focus on expanding Bitcoin's capabilities.

1. **Layered Architecture** – It uses a dual-layer design: a secure Proof-of-Work base layer (CKB) for consensus and asset storage, and a computational layer for scalable transaction processing.
2. **Bitcoin-Centric Vision** – The project now focuses on building native Bitcoin Layer 2 infrastructure, using protocols like RGB++ for programmability and the Fiber Network for fast payments.
3. **State-as-Property Tokenomics** – Its native token, the CKByte (CKB), represents ownership of blockchain storage space and is used to pay for data storage and transaction fees.

## Deep Dive
### 1. Purpose & Layered Architecture
Nervos was created to resolve the blockchain trilemma—balancing security, decentralization, and scalability. Its solution is a novel dual-layer architecture ([Nervos Network](https://www.nervos.org/)). The base layer, the **Common Knowledge Base (CKB)**, is a Proof-of-Work (PoW) blockchain that provides maximum security and decentralization, acting as a trust root and secure store for assets. A separate **computation layer** (Layer 2) handles transaction execution, enabling high throughput and low fees without compromising the base layer's integrity. This design allows developers to build scalable decentralized applications (dApps) that inherit strong security guarantees.

### 2. Bitcoin Ecosystem Focus
A key evolution of Nervos is its strategic pivot to become a foundational layer for Bitcoin's ecosystem. It develops Bitcoin-native infrastructure, notably the **RGB++ protocol**, which uses a technique called homomorphic binding to enable Turing-complete smart contracts for Bitcoin-based assets without relying on vulnerable cross-chain bridges ([Binance News](https://www.binance.com/en/square/post/06-17-2025-interview-with-ckb-why-choose-to-build-a-slow-and-steady-bitcoin-world-25723617494241)). Complementing this is the **Fiber Network**, a Lightning Network-compatible payment layer that facilitates instant, low-cost transfers. This integrated stack aims to unlock Bitcoin DeFi (BTCFi) by adding programmability and scalability directly to Bitcoin's UTXO model.

### 3. Unique Tokenomics & The Cell Model
Nervos employs a unique economic model centered on its native **CKByte (CKB)** token. Unlike tokens that simply pay for transaction "gas," CKB represents a right to occupy state storage on the base chain. One CKB equals one byte of storage. Users must hold (or "lock") CKBytes to store assets or data, creating a direct link between network utility and token demand. This "state-as-property" model aims to align long-term incentives, as miners are compensated for securing the network, and token holders benefit from the appreciation of the underlying digital common knowledge base.

## Conclusion
Nervos Network is fundamentally a security-first, modular blockchain foundation that has strategically positioned itself to build native programmability and scalability for Bitcoin. Will its Bitcoin-isomorphic approach attract developers seeking an alternative to EVM-based BTCFi solutions?

What is Nervos Network (CKB)?

Deep Dive

1. Purpose & Layered Architecture

2. Bitcoin Ecosystem Focus

3. Unique Tokenomics & The Cell Model

Conclusion

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