0xbt

In Atlanta, where officials said the ransom demand amounted to about $51,000, the group left parts of the city’s network tied in knots. Some major systems were not affected, including those for 911 calls and control of wastewater treatment.

It is the result of almost 3 years of complex engineering, and with this integration, the attack surface for signature validation code has been greatly reduce To address this issue, a new ECDSA signature validation library called libsecp256k1 has.

Despite such scams, blockchain -- the encryption technology powering bitcoin -- has been adopted by trusted businesses as a tool, and analyst firm Gartner reckons it'll provide $176 billion in value to businesses by 2025.

The tool is an emerging cryptographic protocol called a zero-­knowledge proof.

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