Cryptocurrency
Latest Questions for Cryptocurrency (412)
Impact of Transaction Malleability on Lightning Network Construction
Before the activation of SegWit (Segregated Witness), Bitcoin’s transaction malleability issue significantly hindered the developme...
Bitcoin P2P Network Defense Mechanisms Against Eclipse Attacks and Sybil Attacks
Defense Against Eclipse Attacks
An Eclipse Attack occurs when an attacker isolates a node by controlling all its networ...
Security Basis of ECDSA
The security of the Elliptic Curve Digital Signature Algorithm (ECDSA) primarily relies on the computational intractability of the Elliptic Curve Discrete Logarithm Problem (EC...
What is Transaction "Finality"?
Transaction finality refers to the process by which a transaction is permanently recorded on the blockchain and reaches an irreversible state.
The Role of Mempool in the Bitcoin Network
The Mempool (memory pool) is a critical component within the Bitcoin network, independently maintained by each node.
How Bitcoin's Difficulty Adjustment Mechanism Maintains Approximately 10-Minute Block Times
The Bitcoin network ensures an average block time of approximately 10 minutes through its difficulty adjustm...
Is Timechain a More Accurate Description of Bitcoin's Essence Than Blockchain?
Viewpoint:
Yes, Timechain more accurately describes Bitcoin's essence in certain core aspects because it directly highlig...
Core Technical Principles of the Taproot Upgrade
Taproot is a major Bitcoin upgrade activated in 2021. Its core principle is to optimize Bitcoin script execution and transaction structure by combining...
How Does the SegWit Upgrade Technically Solve Transaction Malleability?
Transaction Malleability refers to an attacker’s ability to alter the signature portion of a transaction (e.g.
The Non-Turing Completeness of Bitcoin Script: A Design Flaw or Security Consideration? To What Extent Does This Limitation Hinder Bitcoin Innovation?
1.
Privacy
UTXO Model (Bitcoin):
Advantages: Offers high privacy as each transaction uses new addresses (UTXOs), making fund flows difficult to trace directly; supports one-time addresses for enhanced...
Core Advantages of Proof of Work (PoW) in Securing Network Security
Setting aside energy consumption concerns, PoW offers the following irreplaceable core advantages over Proof of Stake (PoS) in netwo...