#Ledger was launched in 2014 by eight experts in the field of computer security, cryptocurrency, and entrepreneurship, united around the idea of creating secure solutions for blockchain applications. They now have more than 130 employees in Paris, Vierzon, and San Francisco.
The topic of cryptocurrencies is at a high peak of popularity, despite significant fluctuations in the exchange rate. Unfortunately, it attracts not only investors and people who want to earn but also scammers. On exchanges, the keys to your wallet are on the service, but physical devices are more reliable since the code is only in your hands.
Types of wallets
The main mission of the company is to offer users to use any initial coin offerings (ICO), data assets such as sensors, IoT devices, etc. in a secure environment.
Cryptocurrency wallets come in several types:
hardware,
desktop,
online services,
mobile
paper.
They are designed to hold one or more types of digital coins. Choosing a wallet, any cryptocurrency holder mainly focuses on the reliability and ease of use. To provide their funds with an additional level of security, users choose hardware wallets.
The company has developed such products as Ledger Nano S, Ledger Blue, and a new model with increased memory and Bluetooth connection support Ledger Nano X.
Ledger Nano S is a cold cryptocurrency wallet for storing a large number of different types of cryptocurrency and provides the maximum possible security of crypto finance, thanks to the presence of several levels of protection. This crypto wallet is the most convenient and easy to use. Data management is made through the application “Ledger Live.”
Its advantages:
Support of bitcoin and more than 25 types of altcoins;
High level of security provided by the system Certification level: CC EAL5+;
Two-factor authorization by the protocol FIDO U2F;
Support of different operating systems (Windows, Linux, MAC OS, Chrome OS);
Ability to work with the device without an Internet connection;
Compatibility with other crypto wallets;
Ability to backup and restore in case of loss or damage;
30-year data retention guarantee;
500.000 data recording and reading sessions.
Ledger Blue it’s also a cold-type wallet released in 2016, but it looks slightly different (like an MP3 player) and has a touch screen. The portable storage looks presentable, the case is made of plastic and stainless steel, the display glass is ultra-resistant, 3.5 inches thick, and the resolution is 320х480.
Advantages of this model:
Support of more than 10 types of cryptocurrencies;
Enhanced protection mechanisms;
Availability of anti-virus software;
Anonymity;
Ease of use thanks to LCD touch screen;
Multiple OS support;
Connect to PC and smartphones via USB, NFC, and BLE;
Support of the QWERTY keyboard for entering.
The smartphone app, Ledger Live https://apps.apple.com/app/id1361671700 , adds mobility in terms of asset management. This means that users can monitor their assets, receive, and spend funds. However, the latter operation is only available for the owners of Android-based smartphones. The connection is carried out through a special OTG cable.
This app will display the contents of your wallet even if it is not connected to your mobile device; it will also allow you to make transactions in a simple, step-by-step/point-by-point way, which has long been a problem for users who wanted to use their cryptocurrency for daily payments.
Google chrome extension
https://chrome.google.com/webstore/detail/ledger-web/egpclopembbljpmifeohhpchacfmienk
Ledger is compatible with desktop computers and handheld devices. It supports MacOS, Windows, and Linux and is compatible with all Android devices. For some interested users, this can be a huge plus. There are also extensions of Google Chrome for Ledger, which will help in the management of gadgets and data placed in it. The interface is well thought out; it allows you to view the transactions with the send and receive tabs at the top.
It is best to verify the authenticity of the hardware wallets “ledger” using cryptographic attestation that doesn’t affect privacy. The official site of Ledger uses a set of keys that are distributed to the groups (for example, 10.000 users). This is done in order to completely avoid tracking and (in the case of a large-scale hacker attack) prevent hacking of the entire user base.
**Ledger live desktop **
https://www.ledger.com/ledger-live/download/
Here it is worth remembering that the desktop wallets are often hacked. After all, they store keys on the hard drive and are considered one of the most reliable storage methods. The program constantly requires its update, which takes up a lot of memory on the hard drive; otherwise, it will be confirmed by a constant attack from hackers.
Conclusion
The products of the company “Ledger SAS” are available for both mobile devices and desktop computers. Many other features are also offered, such as compatibility with exchanges like Bitstamp, or the use of devices as a universal two-factor authentication U2F.