Clear DefinitionsTSS Wallet
1 min read
Pronunciation
[tee-ess-ess woll-it]
Analogy
TSS wallet is like a board meeting where only a quorum can authorize decisions.
Definition
Abbreviation for Threshold Signature Scheme Wallet, employing threshold cryptography for multi-party signing without key aggregation.
Key Points Intro
TSS shorthand covers:
Key Points
Threshold m-of-n: minimum signers required.
Standard signatures: Output accepted by blockchains.
Distributed key gen: No trusted dealer needed.
Share security: Individual shares useless alone.
Example
A DeFi DAO uses a TSS wallet requiring 5-of-9 guardians to sign upgrades.
Technical Deep Dive
TSS leverages Gennaro–Goldfeder or Lindell protocols. DKG distributes shares and public key. Signing uses partial signature shares aggregated via Lagrange interpolation.
Security Warning
Protocol complexities risk implementation flaws; use audited libraries.
Caveat
High coordination overhead for signing.
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