初心者 on Mainnet.jp

Types of Crypto Wallets and How to Choose: Beginner's Guide 2026

Wed, 08 Jul 2026 10:00:00 +0900

Holding cryptocurrency requires more than leaving funds on an exchange. Setting up your own wallet is strongly recommended. However, with many wallet types available, beginners can feel overwhelmed. This guide explains the major wallet types and how to choose one in 2026.

Hot Wallets vs. Cold Wallets

Wallets fall into two broad categories: hot wallets (always connected to the internet) and cold wallets (managed offline).

Hot wallets come as smartphone apps or browser extensions, convenient for transfers and DeFi use. Cold wallets are hardware devices or paper-based, offering superior security but requiring more effort for transactions.

What are Crypto Assets? Basic Knowledge and Systems for Beginners

Sat, 30 May 2026 13:00:00 +0900

Cryptocurrencies like Bitcoin and Ethereum are daily staples of financial news. While highly watched as investments, few understand their core technology. In this guide, we break down the basics of crypto assets and decentralized networks for absolute beginners.

What is a Crypto Asset?

A crypto asset is a digital currency circulating purely on the internet, secured by advanced cryptography. Unlike fiat currencies (Yen, USD), they do not rely on central banks or national governments to manage them.

How Staking Works, Recommended Coins, and Steps for Beginners

Thu, 23 Apr 2026 13:25:00 +0900

Simply holding crypto in your wallet generates zero interest. By utilizing “staking,” you can claim passive yields ranging from 3% to over 10% annually. We explain how staking works and guide beginners on setting it up.

How Staking Works (Proof of Stake)

Assets like Ethereum use the Proof of Stake (PoS) consensus mechanism. By committing (locking) your coins to support the network’s consensus validation, you earn rewards paid in new tokens.

Benefits and How to Start Crypto Accumulation (DCA)

Sat, 11 Apr 2026 13:35:00 +0900

Crypto markets are volatile, and timing purchases is notoriously difficult. The solution is automating purchases using Dollar-Cost Average (DCA). We outline how this strategy reduces risks and how to set it up.

What is Dollar-Cost Averaging (DCA)?

DCA involves buying a fixed fiat amount (e.g., 1,000 JPY) of an asset at set intervals (daily or weekly), regardless of price fluctuations.

When prices are high: You purchase fewer coins.
When prices are low: You automatically purchase more coins.
Goal: Flattens your average cost basis, shielding you from buying local market tops.

Advantages of Crypto DCA

Emotional Stability: Removes the anxiety of timing the market.
Low Start Requirements: Major brokerages support automatic recurring buys starting as low as 100 JPY daily.
Passive Wealth Accumulation: The safest way to capture Bitcoin’s long-term macro trend.

Thorough Explanation of Differences between Trading Fees and Spreads

Sun, 08 Mar 2026 13:40:00 +0900

When buying Bitcoin, you might see “Zero Trading Fees” but notice the actual purchase price is higher than the market rate. This is due to “Spreads” (hidden transaction costs). We clarify the difference between trading fees and spreads.

Exchange (板取引) vs. Instant Buy (販売所)

1. Instant Buy (販売所) - High Cost Spreads

You buy directly from the exchange’s personal inventory.

Coincheck Account Registration Steps and Important Points

Wed, 07 Jan 2026 15:45:00 +0900

Praised for its simple mobile application layout, Coincheck is the go-to exchange for crypto beginners in Japan. We walk through the exact steps to open an account and highlight critical cost-saving configurations.

Preparations Checklist

Active email address.
Smartphone.
Identity Document (My Number Card, Driver’s License, or Passport).

Account Opening Workflow

App Install & Signup: Register your account via the mobile app.
KYC Document Scan: Use the e-KYC scanner to upload photos of your ID and record a facial scan.
Approval Notification: Registration reviews typically conclude within hours, activating trading features.

Critical Coincheck Warning

Coincheck’s mobile app defaults altcoin orders to the high-spread “Instant Buy” market. When buying Bitcoin (BTC), navigate to the browser-based dashboard and use the zero-fee “Exchange” (取引所) to keep transaction costs minimal.

Basics of DeFi (Decentralized Finance) and How to Start Yield Farming

Sun, 04 Jan 2026 13:55:00 +0900

Operating via smart contracts, DeFi (Decentralized Finance) eliminates banks and traditional intermediaries. “Yield Farming” (liquidity mining) allows investors to generate high interest rates. We review the basics and setup steps for beginners.

What is DeFi?

DeFi refers to software-run financial systems on public blockchains. Removing banks cuts operational margins, letting users capture yields far exceeding typical savings account rates.

Key Services: Uniswap (Decentralized Exchange), Aave (Lending Portal).

Mechanics of Yield Farming

Providing a pair of crypto assets (e.g. ETH and USDC) to liquidity pools on decentralized exchanges (DEXs). In return, you earn swap fees and newly minted incentive tokens.