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Ethereum: Understanding the creation of the address and the role of a random library
In Blockchain Ethereum, addressing is a key aspect that provides unique digital identities for each user and transactions. A standard customer in Ethereum, including the command line interface (CLI) ETH Addresses, is based on a random numbers generator to create addresses. However, it is necessary to understand whether this library really uses randomness or whether there are any deterministic aspects.
seed value
When creating a new address, the library « randomly » is initiated with the value of seeds, which can be set during initialization using the « Setrandomvalue ()function. The seed value is determined by a model of random numbers generated by the library.
For example:
Javascript
Const {ethers} = requires ('@erthersproject/ethers');
// initiate the library with the value of seeds
Async createaddress function () {
Const Address = Waiting for Ethers.randombytes (32); // generate a new 32-BAJT random address
return address;
}
console.log (Createaddress ());
In this example, the « Setrandomvalue ()function is used to initialize theLandom » library with a specific seed value. This means that if the same seed is supplied again, it will generate the same sequence of random numbers.
Determinism
The deterministic aspect of the library « randomly » can be observed using the same seed value many times. For example:
`Javascript
Const Address1 = Wait for Ethers.randombytes (32);
Const Address2 = Wait for Ethers.randombytes (32);
console.log (address1, address2); // output: Sam 32-base random addresses
As shown above, generating two different random addresses of the same seed value will cause the same output. This shows the deterministic aspect of the « Random » library.
random generator of numbers Ethereum
Blockchain Ethereum uses the implementation of the Mersenne Twister algorithm, a cryptographically secure pseudo -racker number generator (CSPRNG). According to the Ethereum documentation, the random numbers generator is designed to be unpredictable and resistant to attacks.
It is worth noting, however, that the « Random » library in a standard customer is not directly related to this CSPRNG. Instead, it uses a simple algorithm to generate 32-base addresses that are not designed so that they are safe cryptographic.
Application
To sum up, while the library « randomly » used by a standard customer in Ethereum provides an interface to generate random numbers, it does so with some deterministic aspects due to the value of seeds and implementation. If you need a really random mechanism for generating an address, a different approach may be necessary.
Recommendations
- In the case of cryptographically safe random, consider using a separate library of random numbers generator, such as « Crypto-Random ».
- When creating addresses for Ethereum, make sure that the seed value is set to random and unpredictable value.
- Be aware of the restrictions of the « random » library in generating really random 32-base addresses.
Understanding these aspects, programmers can better manage their needs to generate random numbers in the blockchain ethereum ecosystem.