I'm new to Blockchain and would like to understand few concepts in a detail. After reading about basics of Blockchain, one thing is unclear to me about tx. manipulation.

For instance, A has some (i.e: $10) money and A is sending half($5) of it to B. but C manipulate that transaction before going to Blockchain and set $10 instead.

Now, A wanted to send only $5, but some how A's account will get empty since miner will check A has enough balance or not.

How Blokchain resolves this type of scenario?


Transactions are signed by their original sender. Someone could copy a transaction and change it then resend it to the rest of the network but the rest of the network would ignore it because the signature would be invalid.

| improve this answer | |

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.