Ethereum: Why do you use Bitcoin addresses instead of public keys?

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Here is a comprehensive article about Ethereum and the use of Bitcoin addresses instead of public keys:

Why do you use Bitcoin addresses instead of public keys in Ethereum?

Ethereum, one of the most popular blockchain platforms, uses Bitcoin addresses instead of public keys to manage transactions. While public keys are often used in cryptographic systems such as RSA and elliptic curve cryptography (ECC), they have their restrictions when it comes to secure communication and digital signatures. In this article we will examine why Ethereum Bitcoin addresses and what advantages it offers.

Why did the public keys hare twice?

A public key is used in traditional cryptography for public keys to encrypt a message, and the encrypted message is then (or digitally signed) before sending or stored. This process ensures that only the intended recipient can decrypt the message. When using Bitcoin addresses in Ethereum, however, the process is slightly different.

In order to have the public key twice, we have to take two cryptographic steps:

• Hashing of the public key : The Bitcoin address is hoarded with a disposable function like SHA-256. This creates a byte string with a fixed size, which is known as “hash” or “the most of the news”.

• Sign with a private key : The hash generated in step 1 is then encrypted (or digitally signed) using the corresponding private key of the Bitcoin address owner. This creates a new message that contains both the hash and the signature.

Security advantages

The use of Bitcoin addresses instead of public keys offers several safety advantages:

* Uniqueness : Each Bitcoin address has a clear identifier that makes it difficult to guess or duplicate addresses.

* Non-repudiation : By using a private key to signing messages, Ethereum ensures that the sender cannot deny the sending of the message. This is known as a non-repudiation.

* Prevention of double expenses : With Bitcoin addresses, it is much more difficult for an attacker to spend the same bitcoin twice.

Is there security for the abstract of public keys?

The abstract of public keys can offer some safety advantages:

* Reduced vulnerability : By using a single identifier (Bitcoin address), we reduce the number of potential weaknesses.

* improved scalability : With fewer addresses, it is easier to scale the network and process more transactions.

However, abstracting public keys also has disadvantages. For example:

* Increased complexity : Managing several Bitcoin addresses can be complex and prone to errors.

* Difficulty in restoring lost data : If a private key is lost or impaired, it can be difficult to restore all related assets (i.e. Bitcoin).

Representations several things

Bitcoin addresses should represent several things:

* Clear identification : Each address has a clear name (a 64-character sign).

* Transaction data : Addresses can contain additional information about the transaction, e.g. B. the sender or recipient’s public key.

By using Bitcoin addresses, Ethereum enables more efficient and more flexible digital signatures. The security advantages of the breakdown of public keys are considerable, but it is important to weigh these advantages against possible disadvantages when designing a cryptographic system.

Diploma

The use of Bitcoin addresses by Ethereum instead of public keys is a conscious design selection that offers several safety advantages. Although some disadvantages have to be taken into account, the advantages outweigh the disadvantages in many cases. If more users and developers experiment with Ethereum, we can expect his cryptographic architecture to develop and improve over time.

I hope this article has worked together why you use Bitcoin addresses instead of public key on your Ethereum letter bag!

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