Blockchain
Changing any data invalidates the following blocks in the chain, you'll have to mine each of them from start to finish.
Block:
Nonce:
Data:
Prev:
Hash:
Each mine ensures the hash starts with 0000 by updating the nonce
Block:
Nonce:
Data:
Prev:
Hash:
Each mine ensures the hash starts with 0000 by updating the nonce
Block:
Nonce:
Data:
Prev:
Hash:
Each mine ensures the hash starts with 0000 by updating the nonce
Block:
Nonce:
Data:
Prev:
Hash:
Each mine ensures the hash starts with 0000 by updating the nonce
Block:
Nonce:
Data:
Prev:
Hash:
Each mine ensures the hash starts with 0000 by updating the nonce