Why do people say that data written to a blockchain is almost impossible to tamper with?
On a proof-of-work blockchain, rewriting an old block means recalculating every block after it and catching up with the main chain as it keeps growing across the network—a prohibitively costly task.
Transactions are packed into blocks, and each block contains the hash of the previous one, linking them together into a chain.
I didn’t understand this before. The money I wasted could’ve bought me several hot pot meals.
Don’t invest money you’ve borrowed. It can mess with your judgment and lead you to make bad decisions.
$BTC 84779.08（+2.62%）
On a proof-of-work blockchain, rewriting an old block means recalculating every block after it and catching up with the main chain as it keeps growing across the network—a prohibitively costly task.
Transactions are packed into blocks, and each block contains the hash of the previous one, linking them together into a chain.
I didn’t understand this before. The money I wasted could’ve bought me several hot pot meals.
Don’t invest money you’ve borrowed. It can mess with your judgment and lead you to make bad decisions.
$BTC 84779.08（+2.62%）