“Records on a blockchain can be altered, but it is incredibly difficult to do so. A blockchain is a distributed database, which means that there is no central point of control. altering a single record would require the collusion of the majority of the network participants.
Furthermore, each block in a blockchain is cryptographically linked to the previous block. This creates a digital fingerprint that would be altered if any of the data in the block was changed. This would be immediately apparent to all network participants and would render the altered data invalid.”
Other related questions:
Q: Can you change information on blockchain?
A: Yes, you can change information on the blockchain, but it is not recommended as it can lead to inconsistencies and errors.
Q: Can a blockchain be manipulated?
A: Yes, a blockchain can be manipulated, but it is very difficult to do so. Manipulation of a blockchain would require an attacker to control more than 50% of the network’s computing power, which is known as a 51% attack.
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