DARPA Report Finds Vulnerabilities in Blockchain Technology, Insecure Crypto…


New research questions the security of the ledger technology that runs blockchain software and raises concerns about its use in everything from cryptocurrency spending and trading to electronic voting.

Researchers, commissioned by the Defense Advanced Research Projects Agency, reviewed the characteristics and vulnerabilities of distributed ledger technologies to determine whether the software is truly decentralized or free from external control.

Distributed ledger technologies refer to software that stores information on a secure, decentralized network where users require specific cryptographic keys to decrypt and access data. It is the core technology that executes cryptocurrency transactions. Distributed ledger technology, commonly known as blockchain, aims to be decentralized to prevent a single actor from tampering with information stored on its network.

“The report demonstrates the continuing need for careful scrutiny when evaluating emerging technologies like blockchains as they evolve in our…

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