Cryptocurrencies are digital or virtual forms of currency that use cryptography to secure transactions and control the creation of new units. They run on a technology called blockchain. A blockchain is a decentralized registry where each transaction is recorded in blocks and linked to the previous one. This provides transparency and security. If you want to dig deeper, I recommend reading this article https://www.aspirantsg.com/blockchain-technology/. It has great step-by-step explanations and examples of how to use blockchain.
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