Discover how to buy DAI (DAI) 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.
DAI (DAI) is currently at
$0.99990
+0.01%
4.5
How to buy DAI (DAI) 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 DAI (DAI)? How can I buy it?

What is DAI?

DAI is a decentralized, crypto-collateralized stablecoin designed to maintain a soft peg to the U.S. dollar (targeting 1 DAI ≈ 1 USD). Unlike centralized stablecoins (e.g., USDC, USDT) that are backed by fiat reserves held by a company, DAI is generated and managed by smart contracts on the Ethereum blockchain through the Maker Protocol (developed by MakerDAO). Users create DAI by locking crypto assets as collateral in on-chain vaults; the system’s mechanisms aim to keep DAI stable across market conditions.

Key characteristics:

  • Decentralized issuance: Minted by users via smart contracts, not by a single custodian.
  • Overcollateralized: Backed by assets worth more than the DAI issued.
  • Composable: Integrates widely across DeFi (lending, trading, yield, payments).
  • Governance: Controlled by MKR token holders who adjust parameters (e.g., collateral types, fees, risk limits).

Notably, since late 2023 and into 2024, MakerDAO has introduced the “Endgame” rearchitecture and has continued to diversify reserves (including real-world assets, or RWAs) to enhance stability and revenue while maintaining robust on-chain controls.

How does DAI work? The tech that powers it

At its core, DAI is powered by the Maker Protocol, a system of Ethereum smart contracts that enable users to lock collateral and mint DAI against it. The system employs economic incentives, risk parameters, and governance controls to keep DAI near its $1 target.

  • Collateralized Debt Positions (Vaults):

    • Users deposit accepted collateral (e.g., ETH, WBTC, staked ETH derivatives, tokenized real-world credit) into Maker Vaults.
    • By opening a Vault, a user can mint DAI up to a collateralization limit (e.g., 150–200%+ of the DAI debt value, depending on asset risk).
    • The user accrues a Stability Fee (an interest-like rate) on the DAI debt until it’s repaid and the collateral is withdrawn.
  • Overcollateralization and Liquidations:

    • If collateral value falls and the position becomes undercollateralized relative to protocol parameters, the position is liquidated.
    • Liquidators purchase the collateral at a discount using DAI to close the debt, bringing system solvency back in line.
    • Penalties ensure prudent leverage and compensate for liquidation risk.
  • Target Price and Peg Mechanics:

    • DAI aims for a soft peg to $1. The “peg” is supported by:
      • Stability Fees: Increasing fees discourages leverage and DAI minting; decreasing fees encourages it.
      • DAI Savings Rate (DSR): A variable on-chain savings rate for DAI holders that can attract demand for DAI and help manage the peg.
      • Market arbitrage: Traders mint/redeem DAI and adjust positions when DAI deviates from $1, nudging it back toward parity.
    • Historically, the Peg Stability Module (PSM) has enabled efficient swaps between DAI and other stablecoins (e.g., USDC) at near-parity, helping maintain the peg during stress events. Governance can adjust PSM parameters as conditions change.
  • Governance and Risk Management:

    • MKR token holders vote on:
      • Collateral onboarding/offboarding, debt ceilings, liquidation ratios, stability fees, and DSR.
      • Oracle configurations: Secure price feeds from decentralized oracles determine collateral valuations.
      • Risk frameworks: Each collateral has tailored parameters based on liquidity, volatility, and counterparty risk.
    • Revenue sources (Stability Fees, yields on reserve assets, fees from modules) fund system operations, surplus buffers, and buybacks/burns as applicable.
  • Real-World Assets (RWAs) and Reserve Diversification:

    • Maker has expanded collateral to include RWAs via on-chain structures that hold short-term U.S. Treasuries or credit facilities, aiming to improve peg stability and generate yield to fund the DSR and system surplus.
    • This diversification introduces new risk dimensions (legal, custodial), which governance manages via frameworks, caps, and counterparties.
  • Security and Audits:

    • Maker Protocol smart contracts have undergone multiple audits and years of battle testing in DeFi. Risk remains (smart contract bugs, oracle manipulation, governance attacks), mitigated by layered controls, conservative risk parameters, and continuous monitoring.

What makes DAI unique?

  • Decentralized collateral engine: DAI is minted permissionlessly by users against a diversified basket of crypto and real-world assets, rather than relying solely on a centralized reserve.
  • Proven resilience: DAI has operated through multiple crypto market cycles, including liquidity crunches and major volatility, with mechanisms (liquidations, PSM, parameter tuning) helping it maintain stability.
  • On-chain monetary policy levers: Maker’s governance can dynamically adjust the Stability Fee, DSR, and risk limits to influence DAI supply/demand and peg adherence—akin to a programmable central bank for a crypto-native currency.
  • Composability and adoption: DAI is deeply integrated across DeFi protocols, wallets, and exchanges, making it one of the most widely used decentralized stablecoins.
  • RWA yield integration: The incorporation of RWAs to fund the DSR and system surplus makes DAI’s income model less dependent on crypto market cycles alone, although it introduces off-chain considerations.

DAI price history and value: A comprehensive overview

  • Peg behavior:
    • DAI’s price typically fluctuates narrowly around $1 on liquid markets. Deviations can occur during extreme conditions—e.g., trading slightly above $1 in demand spikes or below $1 when supply is abundant or confidence dips.
    • The PSM and arbitrage around collateral minting/redemption have historically helped re-anchor the price.
  • Supply growth and market share:
    • DAI supply has grown substantially since launch, expanding with the DeFi ecosystem. Periods of high DeFi activity (e.g., 2020–2021) saw strong supply increases, while bear markets or risk repricing slowed growth.
  • Yield dynamics:
    • DSR adjustments have materially influenced DAI demand. When DSR is high, more holders park DAI to earn on-chain yield; when it’s low, DAI may be used more as a transactional stablecoin or rotated into other opportunities.
  • Events shaping DAI:
    • Black Thursday (March 2020) stress-tested liquidation mechanisms, leading to system upgrades (auction improvements, risk buffers).
    • Subsequent integrations of the PSM and RWAs improved peg stability and revenue generation.
    • Governance evolutions (e.g., Endgame roadmap) aim to further decentralize, modularize, and harden the system against shocks.

Note: For current market metrics (circulating supply, DSR rate, PSM balances), consult official MakerDAO dashboards, governance forums, and reputable analytics (e.g., Makerburn, Dune, DefiLlama). Stablecoin prices and parameters can change rapidly.

Is now a good time to invest in DAI?

It depends on your objective:

  • For stability and cash-like exposure:
    • DAI can serve as a dollar-pegged asset within crypto portfolios, offering on-chain composability and, at times, a competitive DAI Savings Rate. If your goal is to reduce crypto volatility while remaining in DeFi, DAI is a practical choice.
  • For yield and liquidity:
    • Evaluate the current DSR, liquidity across exchanges/DeFi, and counterparty pathways (e.g., PSM/bridges). Compare net yields to alternatives (USDC, T-bill token funds, on-chain money markets). Consider smart contract risk and RWA-related legal/custodial risk.
  • For long-term conviction in decentralized stablecoins:
    • DAI’s diversified collateral and governance history make it a leading decentralized stablecoin. However, its partial reliance on other stablecoins and RWAs introduces trade-offs versus “pure crypto” designs.
  • Risks to consider:
    • Smart contract and oracle risk; governance capture or parameter misconfiguration.
    • Market/liquidity risk during severe crypto drawdowns (liquidation cascades).
    • Regulatory and RWA counterparty risk affecting off-chain reserves.
    • Peg risk if mechanisms or arbitrage pathways become impaired.

Bottom line: If you seek a decentralized, battle-tested stablecoin with broad DeFi integration, DAI is compelling. As with any financial decision, assess your risk tolerance, time horizon, and the current protocol parameters. Consider diversifying across stablecoins and keeping abreast of Maker governance updates.

Sources and further reading:

  • MakerDAO documentation and Maker Protocol whitepapers
  • Maker Governance forum and Makerburn analytics
  • Dune dashboards for DAI/PSM/DSR metrics
  • Independent audits and security reports linked from MakerDAO resources

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 DAI 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 DAI, 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 DAI.
4

Enter an amount

Enter the amount of DAI 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 DAI for free

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

How to buy DAI (DAI) 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 DAI DAI safely on a trusted exchange like OKX.
Choose the best exchange to buy DAI (DAI) depending on your individual needs. Factors to consider when picking the best place to buy DAI (DAI) 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 DAI. 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 DAI (DAI), as well as fiat withdrawal options.
This depends on the method you use to convert DAI (DAI) 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.