VeriBlock [VBK] is an open-source blockchain protocol that is engineered to harness the security of Bitcoin’s blockchain. VeriBlock allows any other blockchain network to inherit Bitcoin’s network security through a Proof-of-Proof consensus mechanism. To date, all of the solutions for reusing Proof-of-Work (PoW) security from a parent blockchain include compromising on security and scalability, according to VeriBlock. Their goal is to build a secure and scalable blockchain that inherits the complete PoW security from a Security Providing (SP) blockchain.

VeriBlock published their white paper in early 2018. The VeriBlock blockchain mainnet launched in March 2019.

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