Someone is clogging up the Zcash blockchain with a spam attack

Quick Take

  • Zcash has recorded large number of spam transactions, blockchain analysts found.
  • Since June, Zcash’s blockchain size has tripled to more to more than 100 GB.

Zcash, a privacy-focused proof-of-work blockchain, has been undergoing a spam attack.

Analysts say the blockchain has processed a large volume of transactions that aim to disrupt the network. To do this, the attacker misused Zcash’s “shielded transactions” meant for privacy.