# Cosmos > The internet of blockchains. Cosmos lets developers build sovereign, interoperable blockchains using customizable components and cross-chain communication protocols. Cosmos provides the Cosmos SDK for building application-specific blockchains with custom logic and CometBFT for Byzantine fault-tolerant consensus. Chains connect through the Inter-Blockchain Communication (IBC) protocol, enabling cross-chain asset and data transfers. Cosmos Hub is the ecosystem's flagship chain, using ATOM as its staking and governance token. - Type: Network - Sector: Blockchain Platforms - Status: Active - Founded: 2016-01-01 - Profile: https://thegrid.id/profiles/Cosmos ## Products - [Cosmos SDK](https://thegrid.id/profiles/Cosmos): Cosmos SDK is an open-source framework for building application-specific blockchains. It provides configurable Go modules covering authentication, staking, governance, and IBC, which developers compose to define custom chain logic. Chains built with the SDK are sovereign and IBC-compatible by default, enabling connectivity across the Cosmos ecosystem. (Developer Tooling, Live) - [Cosmos Hub](https://thegrid.id/profiles/Cosmos): Cosmos Hub is a proof-of-stake L1 blockchain secured by delegated ATOM staking. Validators are elected through token delegation and produce blocks while securing IBC-based cross-chain communication. As the first deployed chain in the Cosmos ecosystem, it serves as the primary hub for interchain connectivity and network governance. (L1, Live, Main Product) - [IBC Protocol](https://thegrid.id/profiles/Cosmos): IBC Protocol is a cross-chain communication standard enabling authenticated data and asset transfers between independent blockchains. Light clients on each chain verify counterparty state, and a packet-flow layer handles ordered delivery of token transfers, interchain accounts, and arbitrary data. The protocol operates without a trusted intermediary and connects IBC-native chains as well as external networks such as Ethereum via bridge integrations. (Cross-chain Infrastructure, Live) - [Neutron](https://thegrid.id/profiles/Cosmos): Neutron is a smart contract platform built using CosmWasm that inherits security from Cosmos Hub through Interchain Security, enabling cross-chain smart contract execution and interchain queries. (L1, Live) - [CometBFT](https://thegrid.id/profiles/Cosmos): CometBFT is Byzantine fault-tolerant consensus node software for blockchain networks. It separates consensus from application logic through the Application BlockChain Interface (ABCI), allowing any state machine to connect to the consensus layer without modification to the engine. The software delivers sub-second transaction finality and is the default consensus engine for chains built with the Cosmos SDK. (Node Software, Live) - [Cosmos EVM](https://thegrid.id/profiles/Cosmos): Cosmos EVM is developer tooling that adds EVM execution capabilities to Cosmos SDK-based blockchains. It exposes Ethereum JSON-RPC endpoints and supports Solidity smart contracts alongside the standard Ethereum developer toolchain, including MetaMask compatibility. Chains using Cosmos EVM run EVM-compatible applications while retaining native IBC interoperability for cross-chain communication. (Developer Tooling, Live) - [Cosmos Tokenization Suite](https://thegrid.id/profiles/Cosmos): Cosmos Tokenization Suite is a payments infrastructure enabling financial institutions to issue and manage bank-backed tokenized deposits on a digital ledger. The platform delivers quick settlement with pre-built adapters for core banking systems and native interoperability with IBC, Canton, and Ethereum payment rails. Deposits issued on the platform are FDIC-insured and include built-in compliance features such as sanctions screening and transfer limits. (Payments Infrastructure & Orchestration, Live) ## Assets - [Cosmos (ATOM)](https://thegrid.id/profiles/Cosmos): ATOM is the native token of Cosmos Hub. It is used for paying transaction fees, securing the network through staking, and participating in governance. Cosmos Hub connects to independent sovereign blockchains via the Inter-Blockchain Communication Protocol, with ATOM stakers providing the underlying network security. (Native) ## Links - [Main](https://cosmos.network) - [Documentation](https://docs.cosmos.network) - [Whitepaper](https://cosmos.network/whitepaper) - [Forum](https://forum.cosmos.network) - [Privacy policy](https://cosmos.network/privacy-policy) - [Blog](https://cosmos.network/blog) - [Twitter / X](https://x.com/cosmos) - [Reddit](https://reddit.com/r/cosmosnetwork) - [Medium](https://blog.cosmos.network) - [LinkedIn](https://www.linkedin.com/company/cosmosblockchain) - [GitHub](https://github.com/interchainio) - [Twitter / X](https://x.com/interchain_io) - [LinkedIn](https://www.linkedin.com/company/interchain-foundation) - [Medium](https://medium.com/the-interchain-foundation) - [YouTube](https://www.youtube.com/@cosmosblockchain) - [Twitter / X](https://x.com/IBCProtocol) ## Relationships - [Ignite](https://thegrid.id/profiles/ignite): Parent organization ## Legal This data is provided under two licensing models. Model 1 - open data. 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