SEN Techz

C ryptocurrency is a digital or virtual currency that uses cryptography for security. Cryptocurrencies are decentralized, meaning they are not subject to government or financial institution control. Bitcoin, the f irst and most well-known cryptocurrency, was created in 2009. Since then, thousands of other cryptocurrencies have been created.     How Does Cryptocurrency Work?   Cryptocurrencies use blockchain technology to record transactions. B lockchain is a distributed ledger that is maintained by a network of computers. Each block in the blockchain contains a set of transactions. Once a block is added to the blockchain, it cannot be changed.   To create a cryptocurrency transaction, the sender must sign a message with their private key. The message contains the recipient's address and the amount of cryptocurrency being sent. The sender's public key is used to verify the signature. Once the transaction is verified, it is added to the blockchain. The blockchain...