Explore the intricacies of ZK-SNARK, a crucial cryptographic proof method, and its application in enhancing privacy in blockchain technologies like Zcash.
Explore how Hashed Timelock Contracts (HTLC) enhance security and efficiency in blockchain transactions, including their role in the lightning network.
Explore the concept of a 51% attack in blockchain technology, including how it happens, its consequences, and why it's a critical security concern in cryptocurrency networks.