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Overview

Dynamic’s MPC system supports different threshold signature schemes that determine how many parties must collaborate to sign transactions. This guide covers the available configurations.

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Available Configurations

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2-of-2 TSS (Default)

Two parties must collaborate to sign transactions. Configuration:
  • Share 1: Dynamic Server Share (Dynamic storage + TEE)
  • Share 2: User Share (User device storage)
Benefits:
  • Simple setup and management
  • Good balance of security and usability
  • Fast transaction signing
Recommended for:
  • Most applications
  • Standard embedded wallets
  • When simplicity is priority

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2-of-3 TSS

Any two out of three parties can sign transactions. Configuration:
  • Share 1: Dynamic Server Share (Dynamic storage + TEE)
  • Share 2: Primary User Share (User device storage)
  • Share 3: Secondary User Share (User cloud storage/export)
Benefits:
  • Enhanced security through redundancy
  • Flexible recovery options
  • Protection against single point of failure
Recommended for:
  • High-value wallets
  • Applications requiring backup recovery
  • When availability is critical

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3-of-5 TSS (Enterprise)

Any three out of five parties must collaborate to sign transactions. Configuration:
  • Share 1: Dynamic Server Share (Dynamic storage + TEE)
  • Share 2: Primary User Share (Dynamic storage + relay)
  • Share 3: Primary Enterprise Share (Enterprise storage + API)
  • Share 4: Secondary User Share (User device storage)
  • Share 5: Tertiary User Share (User cloud storage)
Benefits:
  • Maximum security through distributed control
  • Enterprise oversight and compliance
  • Flexible party management
Recommended for:
  • Enterprise wallet solutions
  • Multi-stakeholder applications
  • High-security financial applications

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Configuration Selection

  1. Start Simple: Begin with 2-of-2 for most applications
  2. Scale Security: Upgrade to 2-of-3 for enhanced security
  3. Enterprise Needs: Use 3-of-5 for multi-stakeholder scenarios

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Getting Started

To implement MPC wallets with your preferred configuration:
  1. Choose Configuration: Select appropriate threshold scheme
  2. Configure Shares: Set up the required number of parties
  3. Test Signing: Verify the threshold requirements work correctly
  4. Deploy: Launch with proper monitoring
For detailed implementation guides, see our Setup documentation and Architecture overview.
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