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What Is a Surety Bond: Definition and How It Works

By Kristi WaterworthUpdated Nov 9, 2025 at 12:27 PM

Key Points

  • Surety bonds protect interests in contracts, ensuring funds are available if obligations are unmet.
  • They differ from investment bonds, focusing on guaranteeing contract fulfillment rather than earning interest.
  • For investors, requiring surety bonds in projects like bridge building can safeguard returns.

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