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Town Crier: An Authenticated Data Feed for Smart Contracts
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Town Crier - An Authenticated Data Feed for Smart Contracts
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- 1 Town Crier: An Authenticated Data Feed for Smart Contracts
- 2 What's a (decentralized) smart contract?
- 3 Virtual Trusted Third Party
- 4 Interesting smart contracts need trustworthy data
- 5 Proposed data-delivery approaches
- 6 Town Crier (TC): Basic Idea
- 7 Intel SGX: Isolation
- 8 Intel SGX: Remote attestation
- 9 Intel SGX: Secure Channel
- 10 Tripartite trust model
- 11 Another problem: Gas depletion
- 12 Gas sustainability
- 13 Challenge of Confidentiality
- 14 Running example: Self-enforcing flight delay insurance
- 15 Idea: Leverage enclave confidentiality
