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zeekay
abf99d05fc
Restructured from flat .tex/.pdf files into per-paper subdirectories. Added Antje Worring as co-author on all papers. Synced PDFs to pdfs/ for download site.
27 lines
1.4 KiB
TeX
27 lines
1.4 KiB
TeX
\section{Related Work}
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\subsection{Trusted Execution Environments}
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\textbf{Intel SGX} provides hardware-based memory encryption and remote attestation through quote generation and verification against Intel's Attestation Service (IAS) or newer Data Center Attestation Primitives (DCAP).
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\textbf{AMD SEV-SNP} (Secure Encrypted Virtualization with Secure Nested Paging) enables VM-level isolation with memory encryption and attestation reports signed by the AMD Secure Processor.
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\textbf{NVIDIA H100 Confidential Computing} extends TEE protection to GPU memory and computation, enabling confidential AI inference and training workloads.
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\textbf{ARM Confidential Compute Architecture (CCA)} introduces realm management for isolated execution domains with attestation capabilities.
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\subsection{Blockchain Attestation Systems}
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Existing blockchain systems treat attestation as an application-layer concern:
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\begin{itemize}
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\item \textbf{Ethereum}: No native attestation support; relies on oracle networks or centralized verification
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\item \textbf{Secret Network}: SGX-specific with single vendor lock-in
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\item \textbf{Oasis Network}: ParaTime architecture but limited multi-vendor support
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\item \textbf{Phala Network}: SGX-only with centralized gatekeepers
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\end{itemize}
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A-Chain uniquely provides \textit{protocol-level} attestation verification with multi-vendor support and horizontal scaling.
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