Layer 0: Super-Level Foundation for the Blockchain World

Summary: Layer 0 is simply the “foundation layer” for the entire blockchain ecosystem. It provides the infrastructure that Layer 1 blockchains can build upon, addressing complex issues such as scalability and interoperability between networks.

Why is Layer 0 Important?

When it comes to blockchain, we often talk about Layer 1 (Ethereum, Bitcoin), Layer 2 (scaling solutions), and Layer 3 (applications). But first, there must be a foundational layer - that is Layer 0.

If Layer 1 is the treehouses, then Layer 0 is the tree itself. It is the foundation on which developers can build multiple independent blockchains, each of which can be optimized for specific purposes.

Traditional monolithic blockchain ( like Ethereum) faces problems: a single layer has to handle everything - transaction execution, consensus, data backup. This creates congestion. Layer 0 addresses this issue by allowing these functions to be distributed across multiple different blockchains.

The True Capability of Layer 0

Connect Networks (Interaction Capability)

One of the greatest strengths of Layer 0 is that it allows blockchains built on the same platform to “talk” to each other naturally. No complex bridges or intermediary systems are needed.

Blockchains on the same Layer 0 can exchange data and tokens without the need for an intermediary step, making transactions much faster and more efficient.

Release Efficiency ( Scalability )

Instead of a blockchain having to handle all the work, Layer 0 allows for delegation:

• This blockchain specializes in processing millions of transactions per second.
• That blockchain specializes in security management and authentication.
• Blockchain is different from data backup.

Each blockchain is optimized for the tasks it performs best. As a result, the entire system can process more data, faster.

Freedom for Developers

Layer 0 provides tools (SDK) and an easy-to-use interface, enabling developers to quickly create their own blockchain. They have full customization rights:

• Token issuance model
• Consensus mechanism
• The type of application built on it

Key Figures in the Field of Layer 0

Polkadot: Ecosystem with Clear Architecture

Gavin Wood ( co-founded Ethereum) designed Polkadot with a unique mechanism. It uses a central chain called Relay Chain to manage everything. The independent blockchains built on Polkadot ( are called parachains) that connect to the Relay Chain.

The Relay Chain functions like a post office, ensuring that parachains can communicate effectively. Polkadot uses sharding technique ( to process transactions faster, and proof-of-stake to ensure security.

Projects that want to become parachains on Polkadot must participate in auctions, and there have been the first approved parachains since the end of 2021.

) Avalanche: Unique Three-Chain Design

Avalanche ### launches 2020( using a different architecture: three core chains operating in parallel:

• C-Chain: Smart contract processing
• X-Chain: Create and trade assets
• P-Chain: Coordinates the validators

This design helps Avalanche achieve high speed, low latency, and enables fast cross-chain transactions at a low cost.

) Cosmos: Independent Blockchain Network

Cosmos ### was established in 2014( with a different philosophy: each blockchain ) called a Zone( can be completely independent. Cosmos Hub is the center, connecting all these Zones.

Each Zone has full customization rights, from the authentication mechanism to its own currency. All communication is through the IBC )Inter-Blockchain Communication( protocol, allowing assets to move freely between blockchains.

The Future of Layer 0

Layer 0 is still a developing concept. These platforms have the potential to address long-standing issues of blockchain, but ultimate success will depend on:

1. Developer Attraction: Are there enough developers building on this Layer 0?
2. Real value: Do the applications on it provide real value to users?

There are currently many competing solutions that follow a similar path. Time will show us which Layer 0 will succeed.