Blockchain and bitcoin security

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John McAfee: about blockchain, bitcoins and cyber security
Security on the blockchain is a big deal: to protect your crypto investments, you should take it seriously. It's important to hold your crypto safely. Blockchain security is a risk management technique that aims to secure transactions and hence the whole blockchain network. It is usually. Blockchain technology's data structures have inherent security qualities because they are based on consensus, cryptography, and decentralization.