But what are the other benefits of blockchain for security? I mean, you could make a distributed secure database that doesn't need blockchain right?
Until now there have been many investors using Bitcoin which is well-known for its reliable Blockchain technology on transactions, because the blockchain system records all transactions on the global network, so far it may be difficult to hack, but there are new digital currencies that don't use the Blockchain system but using a tangle system, this system is a new distributed ledger architecture, each transaction in this system refers to the two previous transactions, the reference to this transaction as an agreement, with this transaction ensuring that both transactions and tangle apply and comply with the protocol.