Blockchain digital wallet cold Wallet
With the announcement of the state accelerating the development of blockchain technology, various digital wallets and digital currency fraudsters using blockchain technology in the market have changed, which is known as the direction of state support in fact, this is e to some wrong elements
this kind of wallet is called digital wallet in the market, which allows wallet operators to buy ICO coins from abroad, so that operators can guess coins and increase the value of money. In short, it's the same as "postcards.". The only difference is that the object name is replaced by "blockchain cryptocoin". As long as everyone puts money in my wallet, everything is normal. You can say that you can deposit 100 today and 1000 tomorrow
cold wallet refers to the wallet where the network can't access your private key. Generally, it will take a notebook to record it. Although it avoids the risk of being stolen by hackers, it may also be lost
a hot wallet is a wallet that can access your private key on the Internet. Hot wallets are often in the form of online wallets, which are not easy to lose, but also have risks.
1. General wallet
can support different blockchain tokens. For example, anmao wallet supports BTC, BCH, LTC, ETH, etc, dash and erc-20 series
2. Main Chain Wallet
in order to achieve their own goals, each coin must establish its own main chain, so that it can carry out business. After the main chain goes online, it needs to use the project's own wallet. Just like the green apple wallet of GAC coin, it is a wallet dedicated to GAC trading and transaction clearing
3. Exchange wallet
there are also wallets in the exchange. If the player's currency is recharged into the exchange, the corresponding currency will enter the exchange wallet. The exchange wallet is almost the same as the ordinary wallet. You can fill in the corresponding wallet address when transferring and withdrawing cash, and the corresponding wallet address will be generated for different currencies of each exchange
4. Hardware wallet
generally speaking, the wallet is software wallet, which is a PC program or app. As the name suggests, a hardware controlled wallet can be connected to the network when it is used, and can be stored off the network at other times, so as to avoid exposing the wallet to the network space.
Generally speaking, blockchain wallet is used to store digital currency. In fact, blockchain wallet does not store digital currency, but a tool to store key (private key and public key). With the key, you can have the right to control the digital currency in the corresponding address, and use the digital currency collection address generated in blockchain wallet, You can accept the digital currency transferred to you by others, and you can also transfer the digital currency you own to others.
classification of digital currency wallets:
can be roughly divided into two categories, hot wallet (online wallet) and cold wallet (offline wallet)
first, hot wallet
Hot wallet is also called online wallet, It includes light wallets and heavy wallets (all node wallets). The wallets that need to be connected to the Internet can be directly traded
1. Light Wallet:
does not store the complete blockchain, only stores the data related to itself. It is small in size and can run on mobile phones, computers, web pages, etc
advantages and disadvantages: it does not occupy memory, supports a variety of digital assets, has a good user experience, is fast for novices, but transaction verification is a little slow
2. HEAVY WALLET (full node wallet)
maintains all blockchain data, completely decentralizes and synchronizes all data. It has better privacy and can verify the validity of transaction data locally
advantages and disadvantages: it has better privacy and faster verification of information, but it needs to synchronize data before each use, takes up a lot of hard disk space, and does not support multiple digital currency transactions
Second, cold wallet
cold wallet is not connected to the Internet, also known as offline wallet; For example, professional hardware devices, or private keys (mnemonics) written on paper
1. Hardware wallet
Hardware wallet is to store digital currency with professional hardware, store the private key of digital assets in a chip, isolate it from the Internet, and plug and play
2. Paper wallet
the advantages and disadvantages of writing the private key on paper and then deleting
cold Wallet:
is relatively safe, but it is very troublesome to create a wallet and trade. It is difficult for novices to operate, and the price of wallets is relatively expensive, generally ranging from thousands to tens of thousands of yuan. If you don't have a large amount of digital assets, you don't need to consider
generally, it's recommended for novices to use light wallet. Light wallet is easy to operate and easy to use. Personal used geekwallet
simple and convenient light wallet supports bitcoin (BTC), lightcoin (LTC), Ethereum (ETH), EOS Storage and management of mainstream digital currency assets such as usdt
using bip44 mnemonics, local private key, off-line signature and other security mechanisms, as well as mobile phone and computer al backup strategy, completely solve the loss of digital currency assets caused by hacker attack, virus infection, mobile phone loss, forgetting mnemonics and other ways, and provide users with online Multi Chain digital assets one-stop management service. The platform also has tiaoshao market, which can carry out token trading of physical assets on the chain
bitcoin wallet can be divided into cold wallet and hot wallet according to the storage method of private key
01. A cold wallet is a wallet that can't access your private key on the Internet
cold wallets often rely on "cold" devices to ensure the security of bitcoin's private key, such as computers that are not connected to the Internet, mobile phones, small notebooks with private key addresses, etc. Cold wallet avoids the risk of hackers stealing the private key, but may face physical security risks, such as computer loss and damage
02. Hot wallet refers to the wallet that can access your private key on the Internet
Hot wallets are often in the form of online wallets. When using hot money package, it is better to set different passwords on different platforms and open secondary authentication to ensure the security of your assets
wallet is actually "a management tool for private key, address and blockchain data".
When it comes to cold wallets, I think this knowledge is relatively deep, and the latest procts have always been concerned. According to the more authoritative answer of the network, it is like this:
< blockquote >cold wallets refer to bitcoin storage technology developed by information technology companies that provide blockchain digital asset security storage solutions. Cold wallet integrates the functions of digital currency storage, multiple transaction password setting, publishing the latest market and information, providing hard fork solutions, etc., and uses two-dimensional code communication to make the private key never touch the network, which can effectively prevent hackers from stealing
< / blockquote >hardware cold wallet has great advantages
< blockquote >the storage function of hardware cold wallet is similar to that of hard disk, but it needs to pay password when trading, and randomly generate strong seed password to obtain private key and address, and each transaction is digitally signed and commented, which can be checked at any time; The online app can query the latest market and information online, open and transparent information, automatically detect the transaction confirmation, and never touch the private key
< / blockquote > cold wallet