Blockchain implements strong security technology that provides integrity, availability and mutual trust, but not confidentiality, across enterprise boundaries with no central arbiter.
#1 Blockchain
Blockchain implements strong security technology that provides integrity, availability and mutual trust, but not confidentiality, across enterprise boundaries with no central arbiter. The distributed nature of blockchain technology that goes beyond organizational boundaries makes it difficult to assess a use case at hand is best solved with blockchain security features or by a combination of conventional security tools.
Even though a blockchain network is considered to have no single point of failure, organizations could still face risks from external events outside of their control. For example, a global internet outage would disrupt even a public blockchain network as distributed as Bitcoin or Ethereum, creating outages which would impact an organization’s operations as with any other technology. Private blockchain networks with a lower number of nodes would need to ensure that their network is sufficiently distributed globally and resilient with no single points of failure on an organization or platform level to ensure continuous operation even in the event of a natural disaster or coordinated attack
In the current generation of blockchain technology, there are insufficient privacy controls. In public blockchains, the sequence of events and activities, such as the execution of smart contracts, is recorded, propagated to all nodes and visible in public. To date, blockchains, such as Bitcoin, are "pseudo anonymous" using the hashed public keys of the parties as pseudonyms, while other data, such as the date, time and amount of the transaction associated with that event is publicly visible. Events can be any event related to your use case; for example, in digital currencies they are transaction amounts and updated account balances.
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