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Blockchain can be used to immutably record any number of data points. This could be in the form of transactions, votes in an election, product inventories, state identifications, deeds to homes, and much more.
Currently, tens of thousands of projects are looking to implement blockchains in various ways to help society other than just recording transactions — for example, as a way to vote securely in democratic elections.
The nature of blockchain’s immutability means that fraudulent voting would become far more difficult. For example, a voting system could work such that each country’s citizens would be issued a single cryptocurrency or token.
Each candidate would then be given a specific wallet address, and the voters would send their token or crypto to the address of whichever candidate for whom they wish to vote. The transparent and traceable nature of blockchain would eliminate the need for human vote counting and the ability of bad actors to tamper with physical ballots.