What is a Block Withholding Attack?

A block withholding attack is a type of attack on a blockchain network in which a miner or group of miners withholds blocks they have mined from being broadcast to the rest of the network. This can cause delays in the confirmation of transactions and potentially lead to a fork in the blockchain if other miners continue to build on a different version of the chain. This type of attack is a form of selfish mining in which the attacker…