Peace, Justice, and Strong Institutions: Cryptography and cybersecurity play a crucial role in achieving this goal by ensuring the security, integrity, and privacy of digital communications and transactions. By implementing robust cryptographic protocols and cybersecurity measures, institutions can protect sensitive data, prevent unauthorized access, and promote trust in digital systems. This, in turn, contributes to creating a secure and trustworthy environment for individuals, businesses, and governments, thereby supporting peace, justice, and strong institutions (SDG 16). By protecting education records and online learning platforms) and industry innovation and infrastructure (by securing digital infrastructure) (SDG 4). By implementing robust algorithms and measures, cities can safeguard data integrity, confidentiality, and availability (SDG 11).