Blockchain technology is changing the world by providing secure, transparent and decentralized solutions in almost all sectors. Gained popularity through the cryptocurrencies especially through Bitcoin, the blockchain helps in ensuring that transactions are not manipulated or changed and are fast as one does not need too many middlemen, therefore, lowering costs. In finance, it facilitates faster direct payments and enables the use of digital cash. But the great potential of blockchain technology goes even further, in the field of supply, it improves traceability, reduces the level of fraud and increases accountability. It is crucial also when dealing with healthcare in terms of patient records storage and information protection. They are also used in voting or e-governance systems to manage identities. Because blockchain puts the necessity of central authorities aside, it helps to sustain trust and security which lead towards a great embrace of a decentralized ecosystem in all sectors.
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