Hard Wallet

               Hard Wallet
A hardware wallet is a special type of bitcoin wallet that stores the user's private key in a secure hardware device.
They have major advantages over standard software welts:
The private key is often stored in the protected area of the microcontroller, and it can not be transferred from the device in plain text
Computer viruses stealing immunity from viruses
Can be used safely and interactively, private key does not need to touch potentially vulnerable software

Most of the time, the software is open source, so that the user can verify the entire operation of the device

Security Risk

There have been no verified incidents of bitcoin stolen from the hardware wallet till date. Hardware wallets are relatively new, but for at least that time, they have maintained a good track record, unlike many incidents of bitcoin theft from internet-connected computers.

It is important to understand, however, that hardware welts are a high value target and depend on different assumptions that hold the right to maintain security. They are not silver bullets, and there are many realistic ways in which hardware wallet can fail to protect your bitcoin. These risks should be carefully considered when deciding to buy hardware wallets, and which hardware wallet should be considered carefully.

How can hardware wallet fail to protect your bitcoin?

The malware recipient swaps the bitcoin address: the hardware wallet will not save you from cheating in sending the bidcoin to the wrong address. For example, malware on PC can monitor high value transactions and then swap the recipient's authentic bitcoin address for the address controlled by the attacker. When stocks are high, the multi-factor (for example, on the phone) is recommended to confirm the recipient's bitcoin address.
Unsafe RNG (Random Number Generator): Hardware Wallet relies on the safety of an RNG, which are often embedded in hardware to safely generate the personal key of your wallet. Unfortunately, verifying the actual randomness of RNG is notoriously difficult. An unsafe RNG can create a wallet key that can be made by the attacker later, by creating psuedo-randomness that can appear statistically different from the actual randomness, can still be estimated for an advanced attacker. An RNG may be unsafe as a result of a malicious weak or unknowable mistake. This failure mode is common for any wallet generation process, in which the actual randomization of the source of entropy can not be verified.
Impressive execution: The security of all computing devices depends on the quality of their implementation. Hardware wallet is no exception. At software, firmware or hardware level, bugs may allow attackers to break into hardware wallets and gain unauthorized access to secrets. Even if the design is correct, it is very difficult to prove the security of hardware or software implementation, it is mostly unresolved problem. To date, no wallet in existence has been proven to be implemented using the correct software.
Compromise Production Process: An ideal software and hardware implementation of hardware wallet will also be weak for a corrupted production process that deliberately or unknowingly makes a hole in the final product. Introduction to hardware backdoors is a real concern for high risk financial and military applications.
Compromise shipping process: A compromise fulfillment process can superficially replace or modify secure devices for the same but unsafe replacement. Government programs that hinder the hardware and modify them in the way to put them back, they exist.
Though the silver bullet hardware wallet can still not be very useful, suppose that you take precautions to make good use: an authentic device manufactured by reliable, technically competent safety experts, good reputation (for example, Treasure ) with.
Improved security for some use cases (for example, long-term savings) by using open source software and general-purpose hardware (for example, Bitki, PI Wallet), applied cold storage solutions, a veritable source of intropy like physical dice. Can be given.

Connecting To The Full Node
By default, most hardware wallets direct the user to connect with the manufacturer's own web interface. The web page can not steal the user's private key but can spy on them or cheat them to accept fake payments.

Hardware Wallet only protects the private key and creates expense transactions; They can not tell you whether you actually received coins and in what quantity The safety model of Bitcoin also requires that full node purse be used. If not, then someone can pay you with the transaction of something other than bittoin. If bitcoin is digital gold then a full node wallet is your personal goldsmith who checks that incoming payments are actually real. Apart from this, all your bitcoin addresses will appear in the third party wallet, so it is very harmful to your privacy.


Most hardware wallets can be connected to electric bitcoin wallet. The electrum can be connected to its own full node via the server.