In This Article
Sei (SEI) bills itself is a Layer 1 blockchain with an unprecedented performance infrastructure — arguably the fastest L1 of them all. The network verifies blocks in just 400 milliseconds (ms) and handles 10,000 transactions for a combined cost of under $0.05.
Our guide explains how to purchase Sei, the native cryptocurrency of the ecosystem.
We explore the best online exchanges to invest in Sei, as well as the top wallets to store the digital asset safely. Discover more about the EVM-compatible architecture, including its potential price, tokenomics, and real-world applications.
Key Takeaways on Sei
- With a 400ms transaction speed, Sei is one of the fastest blockchains in the sector. Sei handles up to 200,000 transactions per second, and its low-cost framework charges just $0.05 per 10,000 transfers.
- The blockchain aims to gain significant market share in the decentralized application (dApp) space, which requires fast, cheap, and scalable infrastructure. Specific industry use cases include banking, online gaming, and trading.
- SEI functions as the ecosystem coin. Platform users need SEI to cover gas fees, similar to Ethereum’s (ETH) Layer 1 structure. SEI holders also earn staking rewards and vote on key network proposals.
- The initial SEI supply is 10 billion coins, with approximately 63% in circulation. The blockchain places no cap on the maximum supply, as staking payouts use an inflationary model.
- The Sei price has experienced wild volatility since its August 2022 launch. Originally available at $0.007989, Sei reached an all-time high of $1.14 in March 2024. The coin has dropped by almost 90% from the peak.
How to Buy & Store SEI: Summary
This guide explains what Sei (SEI) is, how its ultra-fast Layer 1 blockchain works, and how to buy and store SEI safely. Read to learn more about Sei’s EVM compatibility, tokenomics and real-world use cases.
How to Buy Sei in 4 Easy Steps
Here is a quick walkthrough of how to buy Sei in 2026:
- Join an exchange that lists Sei: Sei trades on the best Bitcoin exchanges, including Binance, Coinbase, and Bybit. MEXC is our top pick, since it supports low trading fees and convenient payment methods like Visa and MasterCard.
- Deposit funds: Deposit cryptocurrency into the MEXC account, or purchase digital assets with local currency. We suggest buying Tether (USDT), as MEXC users swap USDT for SEI on the spot exchange.
- Go to the SEI/USDT market: On the MEXC spot market, search for Sei and select the SEI/USDT pair. Select a limit or a market order, input the purchase size, and confirm.
- Transfer your Sei to a secure wallet: You now hold Sei in the MEXC account. Withdraw the assets to a secure, non-custodial wallet, such as Best Wallet, to eliminate exchange counterparty risks.
How to Buy Sei: Step-by-Step Instructions
Here is a more extensive guide on how to invest in Sei. We explain how to open and verify an exchange account, deposit funds, set up and place a trading order, and withdraw Sei to a private wallet for long-term storage.
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Open an Account With a Sei Exchange
As one of the most popular cryptocurrencies to buy in 2026, Sei trades on a wide range of online exchanges. Our research suggests that MEXC is the overall best option for most traders.
MEXC charges just 0.05% on market orders and 0% on limit orders. It supports flexible payment methods, including credit cards, e-wallets, and bank account transfers, which enable users to purchase Sei with traditional currency. The exchange also provides access to thousands of other digital assets, so alongside Sei, users invest in a broad selection of Web3 markets.
Head to the MEXC website and tap “Sign Up”. Register with an email address or mobile number, and choose a strong password. Although MEXC is one of the best no-KYC crypto exchanges, unverified users can only deposit digital assets.
If you want to deposit fiat money, you must complete the know-your-customer (KYC) process. It takes about two minutes to complete, and in addition to fiat support, verified traders get higher withdrawal limits.
Next, hover over the profile icon in the top-right corner and look for “Identification”. Choose “Advanced KYC” and add your country of residence and preferred government-issued ID.
MEXC accepts passports, ID cards, driving licenses, and residence permits (depending on the country), and you scan the document with your webcam or smartphone camera and then take a quick selfie for facial recognition. The exchange sends you back an email or SMS when it completes KYC verification.
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Secure the Exchange Account
Like any online account, it is essential to activate MEXC security tools.
Click the “Security” button under the profile icon and complete mobile and email verification.
Then activate the Passkey tool, which gives you fingerprint ID or facial recognition biometric security when you log into the account. Alternatively, use the Google Authenticator app with one-time codes.
Create an anti-phishing code, which MEXC includes in future email or mobile messages. The feature helps you confirm the message’s authenticity.
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Deposit Funds
The exact deposit process depends on the preferred payment method.
Deposit Crypto
Click “Wallet” from the top menu, followed by “Deposit”. Select “On-Chain Deposit” and choose the crypto you want to transfer from a private wallet. You can deposit any digital asset that MEXC supports – but make sure you select the correct network.
MEXC credits crypto deposits after a minimum number of blockchain confirmations, which vary by network. We found that Bitcoin (BTC) deposits take about 10 minutes, while altcoins arrive in seconds.
Deposit Fiat
MEXC offers various ways to deposit funds with traditional money.
The fastest option is to buy USDT with a debit/credit card or an e-wallet like PayPal and Google/Apple Pay. Select “Quick Buy/Sell” under “Buy Crypto”, then input the fiat currency, purchase amount, and preferred payment type. MEXC displays fees based on these parameters. Review the quoted exchange rate and complete the purchase.
European and Brazilian clients may deposit local currency via bank transfer. A much larger range of payment options is available on the peer-to-peer (P2P) feature. When purchasing assets from a P2P seller, ensure you select USDT.
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Search for the SEI/USDT Market
MEXC lists thousands of markets, so use the search tool to find Sei.
Tap “Markets”, enter “Sei”, and choose the “SEI/USDT” pair.
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Set Up an Order to Buy Sei
You must place an order on the MEXC spot exchange to buy Sei.
Located to the right of the trading dashboard, select a market or a limit order:
- Market Order: The best option for beginners, market orders let users buy Sei instantly at the next best available price based on existing liquidity. As a highly traded asset, your order should execute close to the market price. MEXC charges 0.05% per side on this order type.
- Limit Order: Seasoned traders place limit orders on MEXC. They get 0% commission and can specify the exact entry level. The order executes when other MEXC traders match the target price.
Input the trade size in USDT and place the order.
Once executed, the platform adds Sei to your account. If you placed a limit order and it remains pending for too long, adjust the price.
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Withdraw Sei to a Private Wallet
Centralized exchange counterparty risks include account hacks, client fund mismanagement, and potential bankruptcy risks. To avoid these vulnerabilities, transfer Sei to a private wallet.
You gain full ownership of your assets, since non-custodial wallets give users private keys. In contrast, when you store Sei on MEXC, the exchange holds private keys on behalf of its customers.
Click the “Wallet” and “Withdraw” buttons, and select “Sei” from the dropdown list. Then choose “Sei” as the network and paste your personal wallet address. MEXC charges a small withdrawal fee of just 1 SEI, and it typically processes transfers in minutes.
We discuss the best decentralized crypto wallets for Sei later in this guide.
What is Sei?
Sei is a Layer 1 blockchain with a unique technological framework. It creates independent layers for three core aspects: asset storage, consensus, and execution. This mechanism enables Sei to process up to 200,000 transactions per second, making it one of the most scalable networks in crypto.
In addition to near-free transactions, the network achieves block finality in just 400ms. These superior performance metrics appeal to high-throughput dApps that demand reliable, low-cost, and fast transaction settlement.
What Makes It Interesting?
Sei stands out for several key reasons.
It is easily one of the most efficient Layer 1 blockchains, especially for speed and scalability. The world’s largest smart contract ecosystem, Ethereum (ETH), handles up to 30 transactions per second. In contrast, Sei handles up to 200,000 TPS.
As Ethereum charges high network gas during bull cycles, it requires Layer 2 solutions to reduce fees. According to Sei, its blockchain charges just $0.05 per 10,000 transactions, irrespective of network demand.
Sei’s EVM-compatible architecture unlocks cross-chain functionality with other major ecosystems. That means the network connects with Ethereum decentralized finance (DeFi) protocols, Solana meme coins, and play-to-earn games on the BNB Chain (BNB).
We can see that many high-profile stakeholders helped fund Sei’s early development, including Coinbase, Circle, Jump, and Multicoin Capital, which represents a strong level of institutional backing from industry leaders.
Tokenomics
SEI’s tokenomics has both pros and cons for existing holders.
The project initially created 10 billion SEI, and approximately 6.37 billion coins circulate on public exchanges. The remaining coins unlock gradually through 2033. In addition to staking rewards, those locked assets cover private sale investors, strategic allocations, and team incentives.
The main drawback is Sei’s unlimited supply. Newly minted coins enter the supply frequently to fund staking payouts. Ethereum, Solana, Cardano, and other proof-of-stake networks use the same system, as the staking mechanism relies on inflationary practices.
Community
Sei has an active community that includes coin holders and ecosystem users. Nika Labs, a Web3 gaming ecosystem on the Sei network, claims to handle over 2 million monthly active wallets. Other ecosystem use cases include DeFi protocols like Carbon DeFi and Babylon, as well as prediction markets, decentralized trading, and launchpads.
However, on-chain data shows that Sei’s total value locked (TVL) sits at just $211 million (down from highs of about $676 million). These figures account for only a fraction of Ethereum’s DeFi activity, which holds over $67 billion in TVL.
Why Buy SEI
As one of the best cryptocurrencies to buy for utility, Sei has several use cases. Network users need Sei to cover wallet transfers and smart contract transactions. Community holders also earn sustainable staking rewards of about 4%.
From an investment perspective, Sei offers long-term upside, particularly as ecosystem adoption grows. Sei trades at a much lower market cap than Layer 1 blockchains like Ethereum and Solana. The list of early backers is also a strong sign of confidence.
Is Sei a Good Investment?
Whether Sei represents a viable investment depends on your financial goals and risk tolerance. Read on to explore the Sei investment thesis and make an informed decision.
Potential as a Key Web3 Ecosystem
The decentralized internet will play a major role in the Web3 era. From banking and gaming to metaverse experiences, blockchain-based dApps need unprecedented transaction performance. Smart contract transactions require network validation, so speed, cost-effectiveness, and scalability remain essential.
Sei’s superior Layer 1 meets these requirements. It processes up to 200,000 transactions per second, and at a 400ms block time, it is the fastest Web3 ecosystem in the sector. Network fees amount to a small fraction of a cent, so Sei is greatly suited to micro-transactions and high-frequency trading.
Demand-Driven Supply
Sei’s economic model mirrors other Layer 1 blockchains. Executing transactions, whether that’s an in-game purchase, staking agreement, or a simple wallet transfer, requires users to pay fees in Sei. As more people use the ecosystem, demand for Sei increases.
This organic structure may drive the Sei price to new all-time highs.
Signs of Strong Price Action
Sei demonstrated strong price performance when it launched on exchanges in August 2023. According to exchange data, the coin launch price was $0.007989. By February 2024, Sei reached an all-time high of $1.14. Reflecting growth of over 14,000%, early backers may have made $14,000 for every $100 they invested. We explore this more in our SEI price prediction article.
Modest Market Capitalization
Since the all-time high, the Sei price has declined significantly. The coin trades almost 90% below its peak valuation, and although this leaves some investors with significant losses, it allows first-time buyers to secure a substantial discount. The price decline leaves Sei with a market capitalization of under $900 million and a fully diluted valuation of about $1.3 billion. Market conditions often play a large part, regardless of a project’s success.
Layer 1 competitor Solana, which we suggest has inferior technology to Sei, has a huge market capitalization of $77 billion. This disparity provides Sei holders with substantial long-term upside.
Earn Passive Staking Rewards
Some long-term holders deposit Sei into the proof-of-stake blockchain to generate passive staking rewards. The staking program requires no account minimums, unlike Ethereum, which requires 32 ETH (approximately $160,000 based on its all-time high).
Before you stake, note that Sei has a 21-day unbonding period. When users unstake their coins, they must wait 21 days before they receive funds. Those coins earn no staking rewards during the unbonding period.
To proceed, go to Sei’s staking dashboard, click “Connect Wallet”, and select your wallet provider. Then pick a staking validator and tap “Stake” to confirm.
Best Sei Wallet
As the Sei blockchain has implemented EVM compatibility, holders choose from an extensive selection of wallets.
Here are the best Sei wallets to consider in 2026.
Best Wallet
Best Wallet offers non-custodial storage on over 60 blockchain standards. Users manage digital assets on a beginner-friendly mobile interface, and they receive encrypted private keys when they download the iOS or Android app. The wallet provides crypto investors with full asset autonomy, as only users authorize transactions.
The Best Wallet app offers many features, including a built-in decentralized exchange (DEX). The DEX lets traders swap cryptocurrencies across different network standards. It partners with 330 decentralized platforms to secure the most competitive swap rates. Traders keep control of private keys when they trade assets, which offers a vastly different experience to centralized exchanges.
While the app’s staking aggregator unlocks passive yields, users may also connect to third-party dApps via WalletConnect. They also invest in new cryptocurrencies before any exchange listings, as the launchpad provides discounted token prices to Best Wallet users. Additional features launch later in 2026, including derivative trading and a crypto-backed debit card.
Visit Best WalletMetaMask
MetaMask is one of the best Sei wallets to manage assets on a desktop device. The established non-custodial wallet offers a secure extension for popular browsers like Chrome, Edge, and Brave. The user-friendly interface comes preinstalled with the Sei blockchain, so users no longer add network details manually.
Additional network support includes Ethereum, Solana, and Layer 2 solutions such as Arbitrum (ARB), Blast (BLAST), and Polygon (POLY). However, it’s worth noting that MetaMask does not support non-EVM networks: Those who also hold BTC, Dogecoin, or XRP must store those assets in another wallet.
MetaMask partners with multiple Web3 entities to expand wallet functionality. It allows users to purchase top altcoins with debit/credit cards and e-wallets, yet the fiat tool supports Sei on the Ethereum blockchain only. Similarly, while MetaMask connects users with popular staking protocols, only ETH holders earn yields.
Ledger
Ledger is a top-rated hardware wallet and one of the safest ways to store Sei. As a cold storage wallet, Ledger never exposes client-controlled private keys to internet servers. It remains offline at all times, which helps Sei holders avoid cybersecurity vulnerabilities. Device-only approval serves as a core security feature. Users must enter a PIN on the device to authorize wallet movements.
Ledger has several models to choose from. The Ledger Stax is the most advanced model at $399, and it offers premium features like wireless charging and a large E Ink® touchscreen. Casual investors use the Ledger Nano S, which costs just $59. All Ledger versions offer robust security and complete asset control, so the choice ultimately depends on your budget and the required features.
As one of the best hardware wallets for Sei, Ledger supports thousands of additional cryptocurrencies. Users can store top meme coins like Pepe (PEPE) and Shiba Inu (INU), along with stablecoins on dozens of network standards. The Ledger Live application lets users access Web3 services, including swaps, fiat on-ramps, and staking.
What to Do with Sei Coins You Buy?
People buy Sei for various reasons, such as:
- Buy-and-hold: Some people purchase Sei purely for financial speculation. Sei offers substantial upside thanks to its high-performance technology and extensive use cases. If you plan to hold Sei long-term, ensure you store coins in a safe non-custodial wallet.
- Staking: You can stake coins on the Sei blockchain, which yields APYs of about 4%. Staking is an effective way to support the Sei network and increase market exposure without risking additional money. Remember that Sei requires a 21-day unbonding period when you unstake coins.
- Access Sei dApps: Platforms need Sei to access Sei’s dApp ecosystem. Web3 niches include DeFi protocols for stablecoins, lending, and liquidity provision, as well as DEXs and play-to-earn games.
- Trading: Sei holders can trade their coins with other cryptocurrencies. The Osmosis DEX supports Sei ecosystem tokens, which provide increased exposure to the Layer 1 network.
Conclusion: Should You Buy Sei (SEI) in 2026?
Despite its relatively low market capitalization, Sei is one of the fastest and most scalable Layer 1 blockchains in the digital asset sector. Its high-throughput framework outperforms Ethereum, Solana, and BNB Chain, providing holders with considerable long-term upside.
We found that MEXC is the overall best place to buy Sei in 2026. Traders get 0% commissions on limit orders, and they deposit funds easily with debit/credit cards and e-wallets. MEXC typically completes withdrawals in minutes, so you can store Sei in a non-custodial wallet right away.
Visit MEXCSee Also: How to Buy Ethereum Name Service (ENS): Beginner’s Guide
FAQs
Where to buy Sei?
You can buy Sei on popular crypto exchanges such as MEXC, Binance, and Bybit. Sei also trades on the Osmosis DEX, yet small trading volumes cause thin liquidity and high slippage.
Is Sei worth buying?
Some crypto analysts rate Sei as an undervalued gem, citing its superior Layer 1 technology and growing dApp ecosystem. Conduct independent research before you buy Sei, as the asset has volatile pricing swings.
Is Sei listed on Coinbase?
Yes, Coinbase lists Sei, although fees are much higher compared with other exchanges. To save on fees, consider MEXC or Binance.
Which wallet has Sei?
Many reputable crypto wallets support Sei, including MetaMask, Trust Wallet, and Ledger. We rate Best Wallet as the overall best option for user experience, convenience, and features.
Does Sei Coin have a future?
Sei may have a bright future, especially as the Web3 era approaches. Sei’s Layer 1 framework offers dApps institutional-grade scalability, low fees, and sub-second transaction speeds.
- How Sei Became the Fastest Blockchain: Twin Turbo Consensus (Sei)
- Proof of work vs. proof of stake (Fidelity)
- Native USDC & CCTP V2 are coming to Sei: What You Need to Know (Circle)
- What is a Layer 1 Blockchain? (Caleb and Brown)
- What are gas fees? (Coinbase)
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