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Your Party ID key is the co-signer key for DvP settlement — analogous to a multisig key, but with DAML choice-level granularity. Protect it with the same controls you apply to any key that authorizes asset movements.

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Your Signing Authority

  • Co-signature on quote acceptance — no assets move without your approval
  • Settlement approval — you are one of four required signatories on the atomic DvP
  • Veto power — you can reject order proposals or refuse to co-sign quotes
Unlike EVM multisig where any N-of-M signers are interchangeable, your Canton Party ID is a named role. The settlement protocol requires specifically your signature — it cannot be substituted by another custodian or any other party.

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Canton Privacy vs Public Chain Transparency

If you’re used to EVM or Bitcoin, where every transaction is publicly visible, Canton’s privacy model is fundamentally different:
This means you cannot independently verify other participants’ balances or transaction history by scanning a public ledger. Trust in counterparty solvency comes from the atomic DvP guarantee (both legs or neither), not from on-chain transparency.

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Authentication

In production, JWT issuance integrates with your organization’s identity provider.

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Data Isolation

Your backend and database run in your infrastructure: No other participant can access your backend or database. All cross-party communication flows through the settlement network protocol.

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What You See

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What You Control