How to Scale Canton Tokenization

Tokenization on Canton is purpose-built for regulated markets. It brings privacy by default, contract-based workflows, and the ability for each institution to run its own validator — exactly what you need for bonds, funds, deposits, and other real-world assets (RWAs).

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But those same strengths also introduce a subtle scaling challenge:

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• On public blockchains, every application connects to a single, global state through common tools like RPCs and WalletConnect.
• On Canton, state is distributed across subnets, applications, and validator nodes, many of which are private and independently controlled.

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Without a unifying layer, every integration between a dApp, wallet, and validator becomes custom plumbing, which limits scalability and interoperability across projects.

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Looking for Canton infrastructure?

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Why Scaling on Canton Can Be Challenging

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Institutions typically want to:

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• Control their own validator nodes to retain privacy and meet regulatory requirements.
• Continue using their preferred wallet or custody provider with existing governance and policy controls.
• Connect those wallets to multiple Canton apps and validators, some entirely private.

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The problem is that every validator might support a different set of applications. That means any external signing service would need to understand every possible package across all validators, an impossible requirement at scale.

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This tight coupling between validator, app, and signing provider makes each integration bespoke. The result is less interoperability, more overhead, and slower time to market.

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What the Canton Wallet Gateway Does

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The Canton Wallet Gateway solves this by standardizing how wallets and custodians connect to Canton validators. You can think of it as "WalletConnect for Canton," designed for regulated financial environments.

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The gateway:

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• Sits between Canton apps or validators and external signing providers.
• Normalizes how prepared transactions are shared and signed.
• Decouples wallet logic from the validator’s topology or privacy settings.

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In practical terms, a validator produces a prepared transaction and a corresponding hash. 

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Through the gateway, the external signer receives both, allowing clear signing based on the full transaction contents, not just blind hashing.

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That signer can then apply its own rules (policy checks, approvals) before returning a signature. Importantly, it doesn’t need to know:

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• Which validator or network the transaction came from.
• Which specific apps or packages that validator supports.
• Whether the validator runs publicly or privately.

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Why It Matters for Institutions

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This design addresses key institutional pain points:

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Operational independence
Each firm can run its own validator nodes and maintain private applications while still using external custody and key management platforms.

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Reduced complexity
Validators and topology stay under the app’s control, while signers remain network-agnostic.

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Full privacy compatibility
Institutions can transact across public, consortium, or fully private subnets, keeping sensitive logic and data confidential.

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Together, these capabilities enable Canton to support "many assets, many participants" without forcing uniform infrastructure choices across issuers, distributors, custodians, and market operators.

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Blockdaemon’s Role: Policy Checking with Clear Signing

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For institutions building tokenization, treasury, or settlement workflows, the wallet gateway provides the common interface. On top of that, Blockdaemon acts as the institutional signing engine, a headless, policy-aware validator companion.

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Here’s how it fits:

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1. Your Canton dApp sends a prepared submission (transaction + hash) to Blockdaemon’s platform via the wallet gateway.
2. Blockdaemon parses the transaction, applies internal policies, approvals, and then signs if authorized.
3. The signature goes back to the dApp, which submits it to the validator of choice.

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Blockdaemon extends the gateway with:

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• Clear signing that prevents blind hash approvals.
• Advanced governance through custom workflows, policy checks, and approval gates.
• API-first design that integrates easily into existing treasury systems.

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Institutions can therefore:

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• Run their own Canton validators or use validator-as-a-service.
• Keep custody centralized within Blockdaemon’s wallet platform.
• Link Canton-based flows directly into treasury and fund operations.

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Learn more about the Canton Wallet Gateway

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The Bottom Line

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Canton’s architecture enables regulated tokenization at scale, but only with the right connective layer. The Wallet Gateway provides that standard interface, while Blockdaemon delivers the secure, policy-driven signing layer institutions already expect.

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Together, they make tokenization plug-and-play for financial markets, without compromising control, privacy, or compliance.

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Talk to us about using Blockdaemon as your Canton signing engine and validator partner, so your teams can focus on building the market, not the middleware.

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