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Can Internal Keys Be Extracted From Bitcoin Settings?

The world of Bitcoin settings is a complex and often misunderstood topic. One of the most intriguing aspects of this field is the extraction of internal keys from public keys modified using various cryptographic techniques.

In this article, we will delve into the concept of internal keys in Bitcoin, explore how they are modified, and examine the feasibility of extracting them with specific settings such as bip341.

Internal Keys in Bitcoin

The underlying Bitcoin protocol does not directly store private keys. Instead, each user has a pair of public and private keys: a “user key” and an “internal key.” The internal key is not publicly exposed and serves as a private component of the user key. It is used for cryptographic operations such as signing transactions.

When a user generates a new transaction or spends their existing coins, they are essentially using their private (internal) key with their public (user) key. This ensures secure communication between wallets and prevents anyone else from accessing the internal keys.

Public Key Tweaks

Tweaks are modifications to a public key that enable Bitcoin’s cryptographic operations. These tweaks enable various functions such as spending coins, creating new addresses, or even reversing transactions. One such tweaking technique is bip341 (Basepoint).

Bip341 tweaks an existing public key by replacing its internal key with a new one. This can be useful in certain scenarios where the original internal key is compromised or needs to be changed.

Extracting Internal Keys from Bip341 Tweaks

The question remains: can the internal key be extracted from an adjusted bip341 public key? To answer this question, let’s examine how Bitcoin stores and uses these modified keys.

When a user modifies their bip341 public key using bitcoin-cli or other tools, they update the internal key. However, extracting this new internal key is not straightforward. Bitcoin does not provide a direct way to recover the original internal key from the modified output.

The Challenges

Extracting the internal key presents several challenges:

• Modification Complexity: Bip341 modifications involve complex cryptographic operations that can make it difficult to reverse engineer the internal key.

• No Clear Representation: Modified Bitcoin outputs do not provide a straightforward way to extract the original internal key from the modified output.

Conclusion

While it seems impossible to directly extract the internal key from a modified bip341 public key, there may be alternative approaches or edge cases that we are not aware of.

However, if you are interested in exploring this topic further, please note that Bitcoin’s design and cryptography are constantly evolving. New techniques and tools may emerge that could help extract internal keys from modified public keys.

If you are looking to exploit or reverse engineer modified bitcoin-cli commands for malicious purposes, proceed with caution. In most cases, it is not worth the risk, as attempting to extract internal keys can lead to significant security issues.

Final Thoughts

In conclusion, while we have explored how Bitcoin and bip341 tweaks work, extracting internal keys from modified public keys remains a challenging task. As our understanding of Bitcoin’s underlying cryptographic mechanisms evolves, new techniques and tools could emerge that could help us overcome these challenges.