Layer 1 / NETWORK PROFILE
Cosmos Hub
ATOM CMC #71 in the snapshot
The ATOM-secured blockchain within the wider Cosmos ecosystem, with its own validators, governance, application modules, and connections to other chains through IBC.
01 / THE PURPOSE
What is Cosmos Hub for?
Cosmos Hub coordinates an independent ledger and interchain activity. It is one blockchain in an ecosystem of many sovereign networks: using the Cosmos SDK or IBC does not automatically make another chain part of the Hub.
02 / THE ARCHITECTURE
Three questions about the machinery.
How does it agree?
Consensus & securityATOM holders delegate to the Hub’s proof-of-stake validators. CometBFT coordinates block agreement. The Hub’s security and governance belong to its own validator and delegator system, rather than to every Cosmos-branded network collectively.
Where do instructions run?
Execution modelThe Gaia application combines Cosmos SDK modules, IBC transfers, and CosmWasm smart contracts. Current operator documentation lists permissionless contract deployment and token-factory functionality alongside staking and governance.
What is the token for?
ATOM in the systemATOM is used for staking, transaction fees, and governance. Delegation contributes voting weight to validators and exposes the stake to the network’s staking rules and penalties.
03 / THE DESIGN CHOICES
What comes with the design?
Each architecture makes choices about security, performance, coordination, and who can participate.
Connecting through IBC introduces dependencies on counterpart chains, light-client checks, and relayers; it does not merge all security assumptions.
Delegation concentrates voting power when many holders choose the same validator operators.
Older guides describing the Hub as the current security provider for consumer chains can misrepresent the deployed software.
04 / IN PRACTICE
Follow one use.
A user sends an IBC transfer from the Hub to another compatible chain. Both ledgers process their side of the protocol, while a relayer carries the messages between them.
05 / CHECK THE EXPLANATION
Sources & snapshot.
Network descriptions use the references below. The CoinMarketCap snapshot determines which assets are in scope and their captured rank; it does not assess the quality of a network.
- What is Gaia · Current and removed features Cosmos Docs
- Modules on the Hub Cosmos Docs
- Cosmos Hub operator documentation Cosmos Docs
- CoinMarketCap top 100 snapshot Captured 14 Nov 2026 · See the complete scope audit
- Cosmos (ATOM) on CoinMarketCap Captured asset rank #71
Profile checked 14 Nov 2026. Network designs and ranked positions can change.