How are transactions verified and who verifies them?
There are various rules and algorithms that nodes and participants in the network have to meet for transactions to be verified. Bitcoin uses what is called “proof of work.”
People called miners have to prove that they have done some computational work to verify transactions based on rules preset by the entire network. Whoever is first to create a block (group of verified transactions) adds them to the blockchain and gets a reward for doing so. These rewards are in the form of bitcoin. Miners help ensure the bitcoin network is secure.
Blockchain Opportunities and Use Cases
Developed by a pseudonymous Satoshi Nakamoto in 2009, blockchain is the driving force tech experts forecast will transform business; disrupt industries like agriculture, education, transportation, and health; and revolutionize our financial system.
People now have the power to create decentralized applications (Daaps) in areas traditionally regulated by large corporations that control wealth and manipulate societies. Blockchain technology creates opportunities for small businesses and communities to create wealth.
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