frances818 Posted October 2, 2018 #1 Posted October 2, 2018 A blockchain is a decentralised digital ledger that is distributed to all members using the same system. You may have come across blockchain related articles that promise secured transactions that is nigh impossible to be tampered. But what really makes it secured? And what makes the chain unbreakable? There are three main elements inside a block in a certain blockchain. One, the data. Every new data passes through the assessment of all people using the system. For a new data to be added to the chain, more than 50% of the people using the system must be verify it. Two, the hash of the block. Hashes are like fingerprints. They are unique. The hash of a block is unique to its data. Any minimal change in the data causes change to the hash. So any slight tampering is easily detectable. Third and last, the hash of the previous block. This makes the chain in the blockchain. This is the connection of the current block to the new added one. It makes the chain secured by ensuring that the hashes match one another. In today's society, secured transactions is very important. And blockchain technology is being used in different ways like entertainment. Apps powered by the blockchain technology are called DApps or Decentralised Apps. Visit https://dappsite.com/ to know more about DApps!
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