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Operating a validator on Canton Network comes with specific roles, responsibilities, and expectations. This page clarifies what’s expected of validators versus what the network handles.
The Validator’s Role
As a validator, you operate a participant node that:
Hosts parties for users and applications
Stores contract data for those parties
Validates transactions affecting your parties
Connects to the synchronizer for coordination
Exposes APIs for applications to interact with the ledger
What You Are Responsible For
Infrastructure Operations
Node availability : Keep your validator running and connected
Performance : Ensure adequate resources for your workload
Upgrades : Stay current with network versions
Monitoring : Track health, performance, and errors
Backup : Regular backups of database and identity
Security : Protect infrastructure, keys, and access
Party Management
Onboarding : Create and manage parties on your validator
Key management : Secure storage of party keys
Access control : Control who can act as which parties
Data custody : Your validator stores your parties’ data
Traffic (Transaction Fees)
Canton Coin balance : Maintain sufficient CC for operations
Top-ups : Replenish traffic when needed
Cost management : Monitor and optimize traffic usage
What You Are NOT Responsible For
Handled by the Global Synchronizer
Function Who Handles Transaction ordering Synchronizer sequencer Confirmation aggregation Synchronizer mediator BFT consensus Super Validators Network parameters GSF governance Upgrade coordination GSF and SVs
Trust Model
As a validator, you trust that:
The synchronizer orders transactions fairly
Super Validators maintain availability
Network parameters are set appropriately
Upgrades are coordinated properly
You do NOT need to:
Run consensus nodes
Verify all network transactions
Participate in governance votes
Operate synchronizer infrastructure
Operational Expectations
Availability
Expectation Details Uptime target Plan for 99%+ availability Planned maintenance Coordinate during low-traffic periods Incident response Monitor and respond to issues
Your parties cannot transact while your validator is offline. Plan maintenance windows carefully and communicate with your users.
Version Currency
The network upgrades frequently. Validators must keep pace:
Timeframe Action Within 1 week Apply security patches Within 2 weeks Apply minor updates Before deadline Major version upgrades (announced in advance)
Validators running outdated versions may be disconnected from the network. Monitor announcements and plan upgrade windows.
Communication
Stay connected with the network:
Channel Purpose #validator-operations Slack channel for operational discussions Mailing lists lists.sync.global for announcements Release notes Track changes and requirements
Security Responsibilities
Your Security Scope
Asset Your Responsibility Validator infrastructure Hardening, patching, access control Party keys Secure generation, storage, rotation Database Encryption, access control, backups API access Authentication, authorization, TLS Network perimeter Firewall, DDoS protection
Not Your Responsibility
Asset Handled By Synchronizer security Super Validators Protocol security Canton/Splice development Network-wide DoS protection Synchronizer operators
Compliance Considerations
Depending on your jurisdiction and use case:
Consideration Action Data residency Ensure validator location meets requirements Audit requirements Maintain logs and records KYC/AML Implement for your parties if required Regulatory reporting Build necessary capabilities
Canton’s privacy model helps with compliance by ensuring data stays with entitled parties. However, you remain responsible for your regulatory obligations.
Costs
Operating a validator involves several cost categories:
Infrastructure Costs
Component Typical Range Compute 200 − 200- 200 − 2000/monthDatabase 100 − 100- 100 − 500/monthNetwork 50 − 50- 50 − 200/monthStorage Varies with volume
Network Costs
Cost Description Traffic fees Canton Coin for transactions Variable Based on transaction volume and size
Operational Costs
Cost Description Personnel Time for monitoring, upgrades, incidents Tooling Monitoring, logging, alerting
Support Resources
Resource Description Slack #validator-operations for peer support Forum forum.canton.network for technical questions Documentation This site and docs.sync.global
Commercial Support
Tier Contact Discretionary da-support@digitalasset.com (best effort)SLA-based support@digitalasset.com (enterprise)
Becoming a Validator
Prerequisites
Technical capacity : Team capable of operating containerized services
Infrastructure : Meet infrastructure requirements
Sponsorship : Super Validator willing to sponsor
Canton Coin : Budget for traffic fees
Process
Contact a Super Validator (list at canton.foundation )
Discuss your use case and onboarding requirements
Prepare infrastructure according to requirements
Complete onboarding with sponsorship
Begin operations and maintain your node
Next Steps
Validator Setup Begin deploying your validator node.
Infrastructure Requirements Review detailed infrastructure requirements.