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Perun

Perun is an off-chain blockchain framework for real-time payments, cross-chain interoperability, and scalable private transactions. It offers SDK and node software plus integration support for blockchain solutions, including AI-agent, IoT, and micropayment use cases.
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Description

Perun develops an off-chain framework based on state-channel technology. Its products include a Go SDK for custom state-channel integrations and a multi-user Perun Node for deployments such as IoT environments. The framework supports instant, low-cost, energy-efficient transactions, cross-chain functionality, offline NFC and Bluetooth payments, private transaction data, and cross-chain swaps. Perun also provides secure off-chain solution development and deployment support for businesses.