Description
TL;DR: An early off-chain payment-channel design that uses trusted hardware to move repeated payments without changing Bitcoin’s base protocol.
About This Document
Teechan supports bidirectional payments within a channel, requires one message per payment, and places at most two transactions on the blockchain under the described execution model. The authors built the framework with Intel SGX and tested it on the Bitcoin network.
Why Bitcoin People May Care
The paper comes from the same scaling problem that produced the Lightning conversation: Bitcoin’s base layer cannot provide unlimited throughput and instant settlement. Teechan takes a different trust route. The reported implementation reached 2,480 transactions per second on one channel with sub-millisecond processing latency, excluding network latency.
What You Receive
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Document Details
- Title: Teechan: Payment Channels Using Trusted Execution Environments
- Author / organization: Joshua Lind; Ittay Eyal; Peter Pietzuch; Emin Gün Sirer
- Year: 2016
- Document type: Systems research paper
- Pages: 15
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