Discover how to buy Cosmos (ATOM) in Brazil on an exchange you can trust

Getting started with crypto can feel overwhelming, but learning where and how to buy crypto is simpler than you might think.
Cosmos (ATOM) is currently at
$4.6270
+1.71%
4.5
How to buy Cosmos (ATOM) in 3 steps
Whether you’re new to crypto or an experienced trader, you can buy crypto using the OKX Exchange.
Step one
Get OKX
If you haven’t already, download the OKX app and sign up to get started.
Step two
Fund your account
Make a deposit using your preferred payment method.
Step three
Choose your crypto
Select the crypto you’d like to buy from the 3,000,000+ available on OKX.

What’s Cosmos (ATOM)? How can I buy it?

What is Cosmos?

Cosmos is an open-source ecosystem of interconnected blockchains designed to solve two enduring problems in crypto: scalability and interoperability. Branded as the “Internet of Blockchains,” Cosmos enables sovereign blockchains to communicate, exchange value, and scale without being constrained by the limitations of a single monolithic chain.

At its core, Cosmos provides:

  • A networking layer that allows independent chains to pass messages and tokens securely.
  • A modular framework (the Cosmos SDK) for building application-specific blockchains.
  • A consensus engine (Tendermint Core/CometBFT) offering fast finality and high throughput.

The native token in the Cosmos Hub—the flagship blockchain in the ecosystem—is ATOM. The Cosmos Hub serves as a routing and security hub for interchain activity, while ATOM is used for staking, governance, and—in some designs—interchain security.

Use cases across Cosmos include decentralized exchanges (e.g., dYdX v4 running its own app-chain), liquid staking protocols (Stride, Quicksilver), privacy-focused chains (Secret Network), stablecoins (e.g., Noble-hosted USDC), and DeFi platforms (Osmosis). Each chain can optimize for its own needs while remaining interoperable with the broader network.

How does Cosmos work? The tech that powers it

Cosmos is built on a separation-of-concerns architecture: networking, consensus, and application are cleanly decoupled. This design lets developers compose and swap components without rebuilding from scratch.

  • Tendermint Core / CometBFT (Consensus and Networking)

    • Byzantine Fault Tolerant (BFT) consensus: Cosmos chains use a Proof-of-Stake (PoS) validator set that reaches fast finality through BFT voting rounds. This yields low-latency block times and deterministic finality—no probabilistic confirmations like traditional Proof-of-Work chains.
    • Networking: Peer-to-peer layers handle gossiping blocks and transactions. CometBFT, the maintained fork of Tendermint Core, underpins many chains in production.
    • Benefits: High throughput, quick finality (typically seconds), and strong safety properties as long as less than one-third of voting power is Byzantine.
  • Cosmos SDK (Application Layer)

    • Modular framework: The SDK provides composable modules (bank, staking, governance, slashing, IBC, etc.) enabling teams to assemble custom, application-specific blockchains—known as app-chains.
    • Customization: Developers can write their own modules to introduce new logic at the blockchain level, optimizing for performance, tokenomics, and security constraints unique to their app.
    • Upgradability and tooling: Mature dev tooling, on-chain parameterization, and governance-driven upgrades support rapid iteration.
  • Inter-Blockchain Communication (IBC)

    • Protocol for interoperability: IBC is a trust-minimized messaging protocol that lets sovereign chains transfer data and assets between each other without a centralized bridge.
    • Light client security: Each chain runs a light client of the counterparty chain to verify state transitions. Packets are relayed by off-chain actors, but verification is on-chain and cryptographic.
    • Channels and ports: IBC defines ordered/unordered channels, timeouts, acknowledgments, and standardized applications like ICS-20 for fungible token transfers.
    • Outcome: Native, secure asset and message transfers across dozens of production chains, significantly reducing bridge risk compared to multisig or external custodian bridges.
  • Interchain Security and Shared Security Options

    • Replicated Security (formerly ICS): Consumer chains can rent security from the Cosmos Hub’s validator set. The Hub’s validators produce blocks for both the Hub and consumer chains, aligning security incentives via ATOM staking and rewards.
    • Mesh/Sovereign options: Chains can remain entirely sovereign, bootstrap their own validator set, or adopt hybrid models (e.g., partial/shared security or restaking-like solutions through third-party providers).
    • Design flexibility: Projects can choose between sovereignty (maximum flexibility) and shared security (bootstrapped trust and faster go-to-market).
  • Tokenomics and Governance

    • ATOM utility: Staking for economic security, participating in governance (parameter changes, upgrades, treasury allocations), and securing consumer chains in interchain security models.
    • Inflation and staking: ATOM typically features dynamic inflation targeting a staking ratio; rewards are distributed to stakers and validators, with penalties for downtime or misbehavior (slashing).
    • On-chain governance: Proposals and votes determine upgrades, parameter changes, and economic shifts, enabling rapid adaptation at the social layer.
  • Performance and Developer Experience

    • App-chain thesis: By running their own blockchains, projects avoid general-purpose congestion and can tailor blockspace, fees, MEV management, and execution to their use case.
    • Languages and tooling: Most Cosmos SDK chains are written in Go; CosmWasm adds smart contract support with Rust, expanding the developer base and enabling contract-level innovation on app-chains.

What makes Cosmos unique?

  • App-chain sovereignty with interoperability: Cosmos uniquely empowers projects to own their execution environment while maintaining first-class, trust-minimized connectivity via IBC.
  • Security model choice: Teams can choose full sovereignty, adopt shared security, or mix models. This flexibility allows nuanced trade-offs across security, cost, and agility.
  • Production-grade interoperability: IBC is one of the most battle-tested cross-chain protocols in production, with dozens of active channels and billions in cumulative transferred value across the interchain.
  • Composability beyond a single VM: Rather than competing for blockspace in a single monolithic chain, Cosmos composes at the chain level—specialized blockchains linking together to form an application mesh.
  • Mature ecosystem: The Cosmos SDK and CometBFT power not only Cosmos-native chains but also non-Cosmos ecosystems and rollup stacks, indicating broad adoption of the underlying tech.

Cosmos price history and value: A comprehensive overview

Note: This is an educational overview, not financial advice. Always verify current data with reputable sources.

  • Early history: ATOM launched in 2019 following the Cosmos Hub mainnet release. Early trading was marked by volatility typical of new network tokens.
  • 2020–2021 growth: As DeFi and interchain narratives gained traction, ATOM appreciated alongside broader market cycles. The success of IBC (activated in 2021) and the launch of app-chains like Osmosis increased on-chain activity and interchain TVL.
  • 2022–2023 resilience and shifts: Despite broader crypto drawdowns, Cosmos continued shipping: IBC adoption broadened, CosmWasm matured, and interchain security launched. ATOM’s tokenomics and governance underwent active debate, reflecting evolving economic roles for the Hub.
  • 2024–2025 developments: Ecosystem milestones included dYdX v4’s migration to a Cosmos app-chain, expansion of native USDC via Noble, increased liquid staking penetration, and continued refinement of shared security and MEV tooling.

Value drivers to monitor:

  • IBC adoption and new channels, particularly for high-demand assets and cross-ecosystem connectivity.
  • App-chain traction from marquee applications (DEXs, perps, gaming, RWAs).
  • ATOM’s role in security provisioning (consumer chains) and its net reward profile relative to alternatives.
  • Governance direction on inflation, treasury, and interchain strategy.
  • Macro crypto conditions and risk appetite.

For precise, up-to-date price charts and market metrics, consult reputable sources such as Messari, CoinDesk Research, The Block Research, and exchange data aggregators.

Is now a good time to invest in Cosmos?

This depends on your thesis, risk tolerance, and time horizon. Consider the following factors:

Potential strengths:

  • Differentiated technology: IBC is a leading trust-minimized interoperability protocol with real usage.
  • App-chain momentum: High-profile projects choosing Cosmos validate the app-chain thesis and can drive demand for interchain connectivity and security services.
  • Flexible security market: Interchain security and emerging shared-security options can create new demand channels for ATOM staking and align incentives across chains.
  • Developer ecosystem: A mature SDK, CosmWasm contracts, and strong tooling reduce time-to-market for new chains.

Key risks:

  • Competitive landscapes: Modular stacks (e.g., Ethereum L2s and rollups), alternative interoperability protocols, and other ecosystems (Polkadot, Avalanche subnets) compete for developers and liquidity.
  • Tokenomics debates: Changes to ATOM inflation, rewards, and the Hub’s mandate can introduce uncertainty.
  • Execution and governance: The value accrual to ATOM depends on adoption of Hub-centric services (e.g., interchain security) and sound governance decisions.
  • Market volatility: ATOM, like most crypto assets, is highly volatile and can experience large drawdowns.

Practical approach:

  • Do your own research: Read Cosmos Hub governance proposals, Cosmos SDK and IBC documentation, and credible research reports.
  • Evaluate staking and liquidity options: Understand staking yields, validator risk, and the implications of liquid staking derivatives.
  • Diversify and size appropriately: If you invest, consider position sizing consistent with high volatility and long-term horizons.

Bottom line: Cosmos presents a compelling, technically robust approach to interoperability and scalable application design. Whether it fits your portfolio depends on your conviction in the app-chain thesis, the Hub’s evolving role, and your risk profile.

Discover the different ways to buy crypto in Brazil

Here are a few step-by-step beginner’s guides to help you make your first purchase.

Deposit

Drop some crypto or your local currency into your account.
This is the preferred method for those looking to diversify their assets.
1

Create an OKX account

Download the OKX mobile app and sign up using your email address or phone number.
2

Get verified

Complete identity verification to secure your account. You’ll just have to provide your ID, a selfie, and some personal information.
3

Fund your account

Tap on the Deposit button on the homepage and select your deposit method. Select your preferred deposit option, such as bank transfer.
4

Start a deposit

Follow the instructions to complete your Cosmos deposit or bank transfer.
5

Confirm your deposit

If prompted, confirm your deposit on your bank’s associated mobile banking app.
6

Place a buy order

Tap the Buy and sell button on the homepage. Use the dropdown to select ATOM, and enter your desired amount. Tap Preview to review your order, and tap on the Buy button to complete your purchase.
7

All done

We’ll notify you once your purchase is complete. That’s it. You own crypto.
1

Create an OKX account

Download the OKX mobile app and sign up using your email address or phone number.
2

Get verified

Complete identity verification to secure your account. You’ll just have to provide your ID, a selfie, and some personal information.
3

Start a trade

Tap the Buy button on the homepage. Use the dropdown to select ATOM.
4

Enter an amount

Enter the amount of Cosmos you’d like to purchase in your local fiat currency.
5

Choose your payment method

Tap on Payment method and select Card. Tap on Preview to view your purchase details. Then, tap the Buy button to complete your purchase.
6

Confirm your order

If prompted, confirm your purchase on your bank’s associated mobile banking app.
7

All done

We’ll notify you once your purchase is complete. That’s it. You own crypto.
1

Get the OKX app or Wallet extension

Download the OKX mobile app on your mobile device or install the OKX Wallet extension.
2

Set up your wallet

Go to the menu and find Web3 Wallet. Follow the instructions to create or import a wallet. Make sure to back up your seed phrase.
3

Fund your wallet

Deposit your crypto into your OKX Wallet to cover your crypto purchase and network fees. You can make a direct deposit through the Exchange or receive the tokens from another wallet.
4

Find your next purchase

You can search for your desired crypto, paste its contract address directly into the search bar, or find it on the Tokens page.

Note:
Tokens with the same symbol can exist on multiple networks or may be forged. Always double-check the contract address and blockchain to avoid interacting with the wrong tokens.
5

Trade your crypto on OKX DEX

You can either select the token you want to buy and start trading right away, or find the token in your preferred trading mode on our Trade page.

Choose the token you’re paying with (e.g., USDT, ETH, or BNB), enter your desired trading amount, and adjust slippage if needed. Then, confirm and authorize the transaction in your OKX Wallet.

Limit order (optional):
If you’d prefer to set a specific price for your crypto, you can place a limit order in Swap mode.

Enter the limit price and trading amount, then place your order.
6

Receive your crypto

Check your order status using the Explorer or on the History page. If your transaction is successful, you’ll receive your crypto in your wallet.
7

All done

You can now track and transfer your crypto, all in one place. That’s it. You own crypto.
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Make informed decisions

Here are some things to look out for when deciding where to buy crypto.
Proof of Reserves
Ensure the exchange can cover your assets at all times.
Make informed decisions
High liquidity
High trading volumes enhance liquidity on an exchange.
Transparency
Historical market data should be available to you at all times.
Security
Ensure the exchange has taken steps to keep your account safe.
Make informed decisions

How to get Cosmos for free

Invite friends, earn rewards
See how you can get free Cosmos when you invite friends to trade with you.
Earn APY on your crypto
Earn interest down to every dollar and watch your Cosmos grow, for free. Put your crypto to work, 24/7.
Join airdrop campaigns
You can get free Cosmos airdropped to you when you join campaigns.

How to buy Cosmos (ATOM) FAQ

Depending on where you’re located, you can use bank transfer, credit/debit card, or Peer-to-Peer. Read our guide on how to use these different payment methods to buy Cosmos ATOM safely on a trusted exchange like OKX.
Choose the best exchange to buy Cosmos (ATOM) depending on your individual needs. Factors to consider when picking the best place to buy Cosmos (ATOM) include: security measures, platform transparency, fees, and efficient transaction processes. First-time beginners can consider trusted exchanges such as OKX.
Countries and regions differ on how digital assets transactions and holdings are taxed and how they view digital assets in general (money, property, commodity). In general, it is expected that you will pay capital gains tax when selling or swapping Cosmos. Refer here for a more detailed guide.
There are exchanges that offer users privacy and do not require verification to complete transactions. However, it is important to exercise caution as such exchanges might be more prone to fraud.
Use a trusted, centralized exchange such as OKX, which offers the ability to buy and sell Cosmos (ATOM), as well as fiat withdrawal options.
This depends on the method you use to convert Cosmos (ATOM) to cash. Withdrawals to a bank can take one to three working days to process, while withdrawals to a debit card can be almost instantaneous.

Disclaimer

This is provided for informational purposes only. It is not intended to provide (i) investment advice or an investment recommendation, (ii) an offer, solicitation, or inducement to buy, sell or hold digital assets, or (iii) financial, accounting, legal or tax advice. Digital assets, including stablecoins and NFTs, are subject to market volatility, involve a high degree of risk, and can lose value. You should carefully consider whether trading or holding digital assets is suitable for you in light of your financial condition and risk tolerance. Please consult your legal/tax/investment professional for questions about your specific circumstances. Not all products are offered in all regions. For more details, please refer to the OKX Terms of Use and Risk Warning. OKX Web3 Wallet and its ancillary services are subject to separate Terms of Service.