What is the role of cryptography in blockchain technology?
Cryptography ensures the security and integrity of data in blockchain by encrypting transactions and controlling access.
Can you explain how hashing works in this context?
Hashing transforms data into a fixed-size string of characters, which is unique to the original data, ensuring integrity.
What are some common cryptographic algorithms used in blockchain?
Common algorithms include SHA-256 for hashing and RSA for public-key cryptography, both vital for security.
How does cryptography prevent double spending?
Cryptography creates a unique digital signature for each transaction, making it impossible to spend the same coin twice.
Are there any vulnerabilities in blockchain cryptography?
While blockchain is secure, vulnerabilities can arise from poor implementation or outdated algorithms, necessitating regular updates.
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