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< Back2021年2月14日


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Since the introduction of Bitcoin in 2009, Bitcoin has become the first synonym that people think of when the terms "virtual currency" and "blockchain" come up. Although Bitcoin has a lot of price fluctuations, its attention is still increasing. I think many people have become interested in Bitcoin by setting a new record high last year (2020). When starting Bitcoin, it is very important to understand how to safely store Bitcoin, which is an important asset.

In this article, we will introduce 6 recommended safe and reliable Bitcoin wallets for those who want to store Bitcoin safely.

Difference between "hot wallet" and "cold wallet"

If you are looking for the best Bitcoin wallet, you may come across the terms "hot wallet" and "cold wallet".

To briefly explain the difference between these two wallet types, "hot wallet" is an online wallet that is less secure but allows quick transactions, and "cold wallet" is also called a hardware wallet, which is a highly secure long-term wallet. It is an offline wallet suitable for storage.

When choosing a Bitcoin wallet, be sure to choose a wallet that suits your purpose of holding Bitcoin.

[Hot Wallet] 3 Recommended Bitcoin Wallets 

First, let's take a look at the recommended "hot wallet" that allows you to easily access your Bitcoin and trade quickly as needed.

Exodus : Great for beginners!


Exodus is a PC / mobile wallet with a very simple and intuitive design and a built-in cryptocurrency exchange. One of the reasons Exodus is so popular is its ability to swap between a large number of cryptocurrencies. Exodus currently allows swaps between over 100 different cryptocurrencies, and the number of supported cryptocurrencies continues to grow.

The intuitive simplicity of this wallet is perfect for beginners who are new to cryptocurrencies. Also, the support is very good.

It's perfect for beginners because it has enough features, but advanced users may find it lacking the features they want. The reason is that Exodus is a closed source wallet. This goes against the principles of Bitcoin and blockchain and is not an open code that anyone can see, which can raise security concerns. Instead, users will rely on the Exodus team to ensure that the wallet is secure.

Exodus offers the ability to automatically set fees to complete transactions quickly and the option to set custom fees.

[Summary of Exodus wallet]

  • Supports a wide variety of virtual currencies
  • Built-in crypto exchange
  • Good customer support
  • Closed source wallet

Electrum : Bitcoin for intermediate to advanced users


Electrum is one of the original wallets of Bitcoin. This wallet has been around since 2011, two years after Bitcoin was born, and hasn't changed much in functionality or design since then. The Electrum wallet does not have a clean user interface design, but it is very good at its main function as a Bitcoin wallet. In addition, Electrum is a wallet for intermediate to advanced users due to its complicated option settings.

Electrum is open source and you can set custom transaction fees and choose between Legacy Bitcoin and Segwit. It also provides the ability to determine the level of security users want to use. As an example, you can create a standard wallet, a two-factor authentication wallet, or a multi-signature wallet. It is also possible to lengthen the seed phrase with a custom word.

Electrum is ideal for more advanced Bitcoin experienced people who want a simple layout with great security features and customizability.

[Summary of Electrum wallet]

  • Customizable transaction fees
  • Higher security level than other hot wallets
  • Provides seed phrase customization
  • Tasteless user interface
  • Only compatible with Bitcoin
  • No customer support

Mycelium : Mobile Bitcoin Wallet


Mycelium is an open source mobile-only Bitcoin wallet that currently only supports Bitcoin. Mycelium is very similar to the Electrum wallet introduced above, except that it is mobile-only, has a newer user interface than Electrum, and has a built-in exchange.

Mycelium, like Electrum, is one of the earliest Bitcoin wallets in the industry. Also, like Electrum, you can set custom transaction fees, so you can choose how long you want to wait for the transaction to complete.

It also has interesting features such as hardware wallet support that allows you to store Bitcoins offline and view them within your Mycelium wallet.

[Summary of Mycelium wallet]

  • Customizable transaction fees
  • It is possible to use a hardware wallet
  • Open source wallet
  • Mobile only
  • Only Bitcoin supported
  • Difficult to understand when using for the first time

[Cold wallet] 3 recommended Bitcoin wallets 

Next, we will introduce "Cold Wallet", which is a hardware wallet that has higher security than hot wallets and is ideal for long-term storage of Bitcoin.

Ledger Nano X : The most popular cold wallet

Ledger ハードウェアウォレット

Price: Around ¥ 18,000

The Ledger Nano X is the second generation hardware wallet from Ledger in France, launched in 2014. Ledger's first crypto product, the Ledger Nano S, was one of the first hardware wallets on the market and has dominated this space for several years.

The Nano X looks like a USB drive and can be connected to each device via USB or Bluetooth. It also supports Bluetooth connection, so you can connect your wallet to your iOS or Android device without the need for a computer. Nano X supports not only Bitcoin but also more than 1,500 virtual currencies, and the number of compatible virtual currencies is increasing every year.

The Nano X looks like a USB drive and can be connected to each device via USB or Bluetooth. It also supports Bluetooth connection, so you can connect your wallet to your iOS or Android device without the need for a computer. Nano X supports not only Bitcoin but also more than 1,500 virtual currencies, and the number of compatible virtual currencies is increasing every year.

In addition, Ledger created the Ledger Live software. This allows users to add new wallets of different cryptocurrencies to their devices and manage their portfolio. Ledger's hardware wallets have been and are still the most popular cold wallets in the industry. The Ledger also comes with a USB Type-C cable, so you can connect it directly to your computer or smartphone.

[Summary of Ledger Nano X]

  • Intuitive and easy-to-understand user interface
  • Up to 100 types of apps can be saved
  • Open source and get support from the community and customer support
  • Convenience of Bluetooth connection
  • Limited wallet storage
  • Potential danger of cyber attacks via Bluetooth connection

Trezor Model T : A wide variety of virtual currencies

Trezor ハードウェアウォレット

Price: ¥ 20,000 ~ ¥ 30,000

Trezor, like Ledger, is synonymous with cold wallets. Model T is a second generation hardware wallet. Trezor Model T is very similar to Ledger, but offers a very useful feature that allows you to access third party exchanges like Changelly and Shapeshift directly through the interface of your website.

The Model T uses a touch screen, which makes it easier to use than the buttons used on previous models. Trezor also has a MicroSD card slot that allows you to use a MicroSD card to encrypt cryptocurrencies and further protect your device from attacks such as hacking.

Like the Ledger Nano X, the Trezor Model T comes with a USB Type-C cable, so you can connect it to both your smartphone and your computer. Currently, the Ford Model T supports over 1,600 different cryptocurrencies.

[Summary of Trezor Model T]

  • Web-based user interface with built-in exchange
  • Supports a huge variety of virtual currencies
  • Open source and get support from the community and customer support
  • Unlimited wallet storage
  • Higher price than other cold wallets
  • Small touch screen inconvenient to type
  • Difficult to understand when using for the first time

Ledger Nano S : Ideal for those who want to keep device prices low

Ledger Nano S ハードウェアウォレット

Price: Around ¥ 10,000

The Ledger Nano S is the first generation hardware wallet introduced by Ledger. It was one of the first hardware wallets in the industry and was launched shortly after the first generation Trezor. Like its successor, the Nano S is compatible with thousands of cryptocurrencies. The Nano S doesn't come with a USB type-C cable, so users with more modern smartphones may have a hard time connecting to the device.

The Nano S is basically the same as the successor we introduced earlier, the Nano X. Both support the same cryptocurrencies and provide access to Ledger's Live software. The big difference with the Nano X is that the Nano S lacks Bluetooth connectivity, and the Nano X allows you to add 100 wallets, while the Nano S only has 18.

Also, the Nano S has only storage to store a limited number of crypto wallets at one time. To add another crypto wallet, you need to delete the wallet you have already added, but the cryptocurrencies in the deleted wallet will not be lost. Because the cryptocurrency is stored directly on the blockchain.

You can see the deleted wallet and the cryptocurrencies in it on Ledger Live, but the wallet will not be visible on the Ledger device itself. This means that if you want to send and receive cryptocurrencies to a deleted wallet, you may have to delete another wallet to make room.

However, the Ledger Nano S has a lower purchase price than other cold wallets, so it's a good cold wallet for those who want to store only Bitcoin or for beginners.

[Summary of Ledger Nano S]

  • Convenient access to Ledger Live
  • Low price and high security cold wallet
  • Open source and get support from the community and customer support
  • Maximum number of wallets that can be stored is 18
  • No Bluetooth connection function

Bitcoin Wallet Frequently Asked Questions

Here, we will answer frequently asked questions that beginners and beginners who are new to Bitcoin may wonder.

Q1. What is a Bitcoin wallet in the first place?

A Bitcoin wallet is a place to store Bitcoin, which is a digital currency, and to verify transactions when using (sending and receiving) Bitcoin. The wallet stores secret information called private keys and seeds that are used to validate transaction information and "sign" to buy Bitcoin or exchange it for other assets. This will prevent someone else from fraudulently using your Bitcoin or changing your transaction by a third party.

Q2. How much does a Bitcoin wallet cost?

Using a Bitcoin wallet does not cost anything if you just store Bitcoins in your wallet. However, when actually trading Bitcoin, it is necessary to pay various fees to the exchange of the wallet provider and the owner of the device, depending on the transaction content.

If you purchase a cold wallet, it may cost from 0 yen to 30,000 yen or more.

If you use a wallet provided by a cryptocurrency exchange, you will generally pay either a flat rate of a few hundred yen or a percentage of the total value of the transaction.

Q3. How to monetize Bitcoins in the Bitcoin wallet?

You can't convert Bitcoin directly to cash whenever you feel like it, but you can anonymously sell Bitcoin on the blockchain and exchange it for the currency of your choice. Cryptocurrency exchanges can handle transactions on your behalf and find buyers, so you can quickly convert your Bitcoins into the cash you need. Each wallet has different rules and periods for transferring fiat currencies (Japanese Yen, US Dollars, Euros, etc.) to your bank account, but in most cases it will be done within 1 to 3 days after the Bitcoin sale is completed. can do.

Q4. How to choose the best Bitcoin wallet for you?

When choosing a Bitcoin wallet, the first thing to consider is security and other security. It is important to use a wallet that is well-used, reliable, and well-developed with security protocols around the world.

It is also important to choose a large, reliable exchange wallet so that you can complete your open market transactions quickly if you want to trade frequently rather than store them for a long time.


How was it? The Bitcoin wallets introduced in this article are all excellent in reliability and safety, suitable for various layers from beginners to experienced Bitcoins.

If you are new to or just starting out with Bitcoin, what do you want to do with Bitcoin first? Decide on short-term transactions, online payments, long-term storage, etc. and choose the best Bitcoin wallet for your purpose.

In order to protect your valuable assets, try to focus on security first and foremost.

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