Cybersecurity refers to the practice of protecting computer systems and networks from unauthorized access, theft, damage, or disruption. Cybersecurity is important for protecting sensitive data, such as personal information, financial records, and intellectual property. Cybersecurity measures include firewalls, encryption, and intrusion detection systems. See more Blockchain is a decentralized, distributed ledger technology that allows for secure and transparent record-keeping of transactions and assets. Blockchain is used in many applications, such as cryptocurrencies, supply chain management, and voting systems. Popular blockchain platforms include Bitcoin, Ethereum, and Hyperledger.