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A blockchain is like a digital logbook that permanently records transactions. It’s made of “blocks,” and each block contains a bundle of transactions—these could involve money, property records, agreements, or other types of digital exchanges.

This tutorial explores the essential role of cryptography in blockchain technology, highlighting how mathematical techniques ensure trust, security, and integrity in decentralized systems. Participants will learn how cryptographic primitives form the foundation of blockchain networks, enabling secure transactions without the need for central authorities.