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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.
30 lines
1.4 KiB
TeX
30 lines
1.4 KiB
TeX
\section{Related Work}
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\label{sec:related}
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% ============================================================
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\paragraph{Threshold Schnorr.}
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FROST~\cite{komlo2020frost} optimized threshold Schnorr to 2 rounds from the 3-round
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GJKR protocol~\cite{gennaro2003}. ROAST~\cite{ruffing2022roast} adds robustness to
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FROST by running parallel signing sessions. MuSig2~\cite{nick2021musig2} provides
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2-round multi-signatures (all-of-$n$) for Bitcoin Taproot but does not support
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threshold ($t < n$) configurations.
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\paragraph{Threshold ECDSA.}
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GG18~\cite{gennaro2018} introduced practical threshold ECDSA.
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GG20~\cite{gennaro2020} improved efficiency but lacked identifiable abort.
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CGGMP21~\cite{canetti2021cggmp} achieved UC security with identifiable abort.
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Doerner et al.~\cite{doerner2018} optimized the 2-party case.
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\paragraph{BLS-based bridges.}
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Wormhole~\cite{wormhole2023} uses BLS12-381 guardian signatures. BLS aggregation is
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compact but requires custom verifiers on non-BLS chains (180,000+ gas on EVM). EIP-2537
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adds BLS precompiles to Ethereum but is not yet widely deployed on L2s.
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\paragraph{MPC wallets.}
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Fireblocks~\cite{fireblocks2023} and ZenGo~\cite{zengo2019} deploy threshold
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signatures for institutional custody. Both use variants of GG20/CGGMP21 for ECDSA but
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do not address Ed25519 chains or Bitcoin Taproot.
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% ============================================================
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