Double-Spending in Conventional Databases and Blockchain Environments
What is double spending in the context of blockchain?
In a blockchain, which entity is responsible for verifying and confirming transactions?
Which consensus mechanism makes it computationally expensive to attempt double spending in a blockchain?
How does a centralized system typically prevent double spending?
What feature of blockchain ensures that transactions cannot be altered once confirmed?
Why does double spending not occur in a properly functioning blockchain?