To buy B3 (Base) safely, you must verify the token contract and the network. B3 operates on the Base platform. You should confirm the official contract address before transferring any funds to avoid lookalike tokens.

B3 is a cryptocurrency launched in 2025. It uses a Layer 3 architecture that settles on Base to reduce transaction costs and increase throughput. This system is designed to make onchain gaming commercially viable through an open gaming ecosystem and shared liquidity.

Where can you buy B3?

B3 is available on several centralized exchanges and decentralized platforms.

Centralized exchanges with verified market pairs include:

Bybit (B3/USDT)
MEXC (B3/USDT)
Gate (B3/USDT)
BitMart (B3/USDT)
Coinbase Exchange (B3/USD)
Kraken (B3/USD)
Upbit (B3/KRW)
Bithumb (B3/KRW)
LBank (B3/USDT)
KuCoin (B3/USDT)

You can also access B3 through decentralized exchanges on the Base network:

Step-by-step buying checklist

Select a verified exchange from the list above.
Create an account and complete the KYC process. This is required for exchanges like Bybit, BitMart, and MEXC.
Deposit the required trading pair, such as USDT, USD, or KRW.
Execute the trade for B3.
Set up a compatible wallet that supports the Base network for self-custody.
Verify the B3 contract address on Basescan before withdrawing.

Fees, liquidity, and withdrawal checks

Trading fees vary by platform. MEXC has 0% maker fees for the B3/USDT pair. Bybit charges 0.1%, and BitMart charges 0.25%.

Liquidity and volume data are available for most listed routes. You should check the specific order book depth on your chosen exchange before placing large orders.

Deposit and withdrawal support for B3 is not verified for these routes. You must check the exchange's current status to see if they allow moving B3 to an external wallet.

Before buying: route and token risks

The official contract address for B3 on the Base network is 0xB3B32F9f8827D4634fE7d973Fa1034Ec9fdDB3B3. Using a lookalike address will result in a total loss of funds.

There are several risks to consider:

Network mismatch: B3 exists on Base. Sending it to a different network will cause the funds to be lost.
Regional restrictions: Exchange availability and account features vary by country. For example, Bybit and MEXC have specific lists of banned and supported countries.
Withdrawal uncertainty: Not all exchanges that list a token support withdrawals to private wallets.
Contract safety: Always verify the contract through official sources like the B3 website or documentation.

Sources and methodology

The buying routes in this guide come only from verified market-pair rows in our database. We use web research and CMC news for background and risk context. Information from CoinMarketCap page scrapes is treated as low-confidence context and is not used as proof of liquidity or contract safety. Live market values like price and volume are omitted because they change too frequently to remain accurate in a static guide.

How to buy B3 (Base) (B3)

Buying checks for B3 (Base) (B3)

Buying routes

Risk checks

How this guide is checked