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Communications of the ACM

ACM Opinion

Security: The Lock and the Key to Blockchain's Future

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Blockchain technology components illustrated.

For an industry that needs greater legitimacy to enable wider adoption, there will have to be a course correction to rebuild trust.

Blockchain should be known for its powerful security and revolutionary potential, not for the small number of avoidable hacks and exploits that tarnish its reputation. Meaningful security practices must be as prevalent and adopted in crypto as "https" is on the Internet.

This means routine auditing, continuous real-time monitoring, and an ongoing commitment to security from both users and developers as the ecosystem evolves. Then, and perhaps only then, will blockchain technology be free to reach its full potential.

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