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About Kadena
Analysis of 13 Dec 2025Kadena is a Layer 1 proof-of-work blockchain featuring the unique Chainweb multi-chain architecture and Pact smart contract language. Founded in 2016 by former J.P.
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Morgan blockchain engineers Stuart Popejoy and Will Martino, alongside Dr. Stuart Haber (co-inventor of blockchain technology and the most cited author in Bitcoin's whitepaper), Kadena aimed to solve the blockchain trilemma by combining Bitcoin's PoW security with directed acyclic graph (DAG) principles.
The Chainweb architecture runs 20 interconnected parallel chains that validate each other's blocks through a braided structure, enabling theoretical throughput of 480,000 TPS while maintaining decentralization and security. Kadena's Pact smart contract language offers human-readable, Turing-incomplete code with formal verification capabilities designed to prevent common vulnerabilities found in languages like Solidity.
The network also introduced innovative Gas Stations enabling zero-fee transactions to lower adoption barriers. However, on October 22, 2025, the founding team abruptly halted all operations citing unsustainable market conditions, triggering a 60% immediate price crash and leaving the network under uncertain community governance.
