You can select the number of keys to open the vault and the minimum number of keys required to unlock the vault (for example, you can use a 2 x 3 multi-key, which requires two of the three assigned private keys and three are closed -5, 5 of 7, etc. The so-called paper wallet is an outdated and insecure method of storing Bitcoin and is not recommended for beginners. They only store a private/public keyboard on paper.
They promote address reuse and require clumsy and complex real-time system startup to ensure security, they risk printer theft and usually rely on Javascript encryption technology.
The wallet contains all this information. It is important to note that the wallet does not contain your coins, but contains the information needed to withdraw coins from the network. This is similar to a bank card that does not contain your money and only contains the information needed to withdraw your money. A wallet is a file that contains a private key, so the “wallet” can even be paper or a tattoo.
Historically, multi-signature wallets have been the domain of developers or core Bitcoiners because they are difficult to install from scratch. Fortunately, today’s siblings’ multi-signature users are easier to use than before.
Nowadays, there are wallet programs that can simplify the installation of multiple signatures, as well as services that provide customer support and key management services. (For example, if an unintentional client loses a shipping hardware wallet, the service has a backup key.)
Multi-signature is a wallet configuration that requires at least two keys to authorize transactions. Multisig is commonly used in cryptocurrency exchanges to ensure that rogue employees cannot transfer money, and multisig also has end-user applications. If you want to improve the security of non-custodial Bitcoin wallets, multi-signature may be the answer.
However, proper use of multisig can reduce the risk of managing digital asset owners in irreversible transactions. Below is an explanation of how multi-sig works, why someone should use it, it can go wrong and more reasons.
Multisig (wallet with multiple signatures) uses multiple private keys instead of a single key to move coins. They are distributed on different machines and in different places. In theory, it is difficult for hackers to attack them all. These are usually cheaper than hardware wallets, and because they are software, they can also be downloaded for free.
The wallet can be programmed to work on X based on Y, which means that if Y = the total number of keys you have, X can be the total number of keys that need to be presented when you transfer money. One-third of the multi-signature wallets allow your keys to be distributed between iPhone, Macbook, and iPad. These devices can all be used.
Reference
Fritz Charles 7163, Is it safe to hold coins on the crypto exchanges?
Multisig Wallets Can Keep Your Coins Safer (If You Use Them Right …
Storing bitcoins