Blockchain
What is Blockchain? • Blockchain is a distributed, decentralized, public ledger. • Blockchain is a chain of blocks where blocks are digital information stored in a public database(the “chain”)
how Does Blockchain work? In order for a block to be added to blockchain, four things must happen: • A transaction must occur. • That transaction must be verified. • Transaction must be stored in a block. • Block must be given a hash(unique, identifying code) Once hashed, the block can be added to the blockchain.
Is
Blockchain
Secure?
Yes, Blockchain is secure: • Prevents unauthorized access, use, disclosure, disruption, modification, inspection, recording or destruction of information.
Advantages of Blockchain • • • • • •
Accuracy Cost Decentralization Efficiency Privacy Security
How can Blockchains be used in Real World? • • • • • • •
Banks Crypto Currency Healthcare Property Records Smart Contracts Supply Chains Voting
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