Ethereum (ETH) is a major cryptocurrency, ranking second in market capitalization after Bitcoin (as of June 10, 2025, per CoinMarketCap).
Widely used in blockchain gaming, NFT marketplaces, and decentralized applications (DApps), Ethereum is also a top-tier investment asset. If you're new to crypto and interested in purchasing ETH, this guide will walk you through the process, recommended platforms, and essential precautions.
Key Takeaways
- Ethereum (ETH) serves as the native currency of the Ethereum blockchain, a leading platform for DApp and NFT development.
- It consistently ranks as the second-largest cryptocurrency by market cap, reflecting strong demand for both utility and investment.
- ETH is available on most major crypto exchanges, including Coincheck, bitbank, SBI VC Trade, and GMO Coin.
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What Is Ethereum (ETH)?
| Overview | Details |
|----------|---------|
| Name | Ether, Ethereum |
| Ticker Symbol | ETH |
| Blockchain | Ethereum |
| Consensus Algorithm | Proof-of-Stake (PoS) |
| Price (June 2025) | ¥379,555.64/ETH |
| Market Cap | ¥45.97 trillion |
| Ranking | #2 (after Bitcoin) |
Ethereum is a decentralized platform enabling smart contracts, DApps, and NFT creation. Its native token, ETH, is used for:
- Paying transaction fees ("gas").
- Settling payments in DApps and DeFi protocols.
- Staking to secure the network (PoS).
How to Buy Ethereum (ETH)
Here’s a step-by-step guide using Coincheck as an example:
1. Open an Exchange Account
- Sign up on Coincheck (or another reputable platform).
- Complete identity verification (KYC).
2. Deposit Funds
- Transfer JPY via bank transfer or Quick Deposit (fee-free option).
3. Analyze ETH Price Trends
- Use charting tools to assess market conditions before buying.
4. Place an Order
Choose between:
- Market Order: Instant purchase at current prices.
- Limit Order: Set your desired price.
5. Secure Your ETH
- Withdraw ETH to a private wallet (e.g., MetaMask) for long-term holding or DApp use.
Top Exchanges for Ethereum (ETH)
| Exchange | Highlights |
|----------|------------|
| Coincheck | Beginner-friendly app, 35+ cryptos, low minimum investment (¥500). |
| bitbank | Low trading fees (0.02% Maker), strong security, 43+ coins. |
| SBI VC Trade | SBI Group-backed, 39 cryptos, zero deposit/withdrawal fees. |
| GMO Coin | 28 cryptos, leveraged trading, staking, and IEO support. |
Ethereum Investment: 3 Key Precautions
Use Disposable Funds
- Only invest money you can afford to lose due to ETH’s volatility.
Minimize Costs
- Compare trading fees, spreads, and withdrawal charges across exchanges.
Tax Compliance
- In Japan, crypto profits over ¥200,000/year require tax reporting.
FAQs
Q: What’s the minimum ETH purchase amount?
A: Typically 0.0001–0.001 ETH (varies by exchange).
Q: Can I stake ETH for rewards?
A: Yes! Platforms like Coincheck and GMO Coin offer staking services.
Q: How do I store ETH safely?
A: Use hardware wallets (Ledger) or software wallets (MetaMask) for self-custody.
Final Thoughts
Ethereum’s dual utility—powering DApps and serving as a store of value—makes it a compelling asset. To start:
- Pick an exchange (e.g., Coincheck for beginners).
- Buy ETH via JPY deposits.
- Secure your holdings in a private wallet.
Ready to invest? 👉 Explore ETH trading today