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Cover image for Teechan: Payment Channels Using Trusted Execution Environments
Paperium
Paperium

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Teechan: Payment Channels Using Trusted Execution Environments

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Alex Shev

The interesting part of TEE-based channels is the trust tradeoff. You can simplify parts of the protocol, but then the operational question becomes how you verify the enclave, handle upgrades, and explain the failure model to users who only see a fast payment path.