The basic application of the blockchain is to perform transactions in a secure network. That’s why people use blockchain and ledger technology in different scenarios. One can set up multichain to prevent unauthorized access to sensitive data. It is not available to the public, and can only be available to authorized entities in the organization. It depends on the organization which type it requires to choose for their work.
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Chainlink is a decentralized oracle network that gives blockchain-based smart contracts access to real-world data. On the blockchain, smart contracts are pre-defined agreements that review data and execute automatically when specific criteria are met. The digital asset token used to pay for services on the network is called a LINK token.