Self-hosted stablecoin custody infrastructure
Automate stablecoin workflows across multiple chains securely at scale.
Focus on your product, not wallet infra.
100% control of your data, your keys.
Ship faster. Save money.
Focus on your product while we handle the infrastructure
Eliminate the need to build and maintain wallet infrastructure, security protocols, and blockchain integrations in-house.
Skip months of development and go live faster with our production-ready infrastructure and comprehensive SDKs.
Secured by
MPC technology
Multi-Party Computation ensures your private keys never exist in one place, eliminating single points of failure.
- No single point of failure
Distributed architecture across independent nodes
- Split key shares
Keys divided and stored on different nodes
- Private key never exists whole
Complete key never assembled in memory
- Threshold signing
Cryptographic signatures without key reconstruction
No more insecure wallet infrastructure
Fystack is designed by cryptography and security experts in the field. Built with industry-standard security practices from the ground up.
Encryption at Rest for Sensitive Data
Industry-standard DEK/KEK hybrid encryption model balancing security, performance, and operational simplicity.
+ 10 more chains supported
Developer first platform.
One unified API, multiple chains.
Write once, deploy everywhere. A single SDK that works across all major blockchains.
Built for operational excellence
Everything you need to manage digital assets at scale with confidence and control
Automation
Automate wallet sweeps, fund consolidation, and multi-chain operations. Set rules once, let the system handle the rest.
Alerts & Monitoring
Real-time notifications via Telegram and Slack. Monitor transactions, wallet balances, and suspicious activities instantly.
Analytics & Insights
Comprehensive dashboard with transaction analytics, wallet performance metrics, and actionable insights for better decision-making.
Enterprise-grade compliance
Meet regulatory requirements with comprehensive controls and full transparency
User Management
Role-based access control with granular permissions for team members and workspaces
- Custom roles and permissions
- Multi-workspace support
Approval Groups
Multi-signature approval workflows for sensitive operations and large transactions
- Threshold-based approvals
- Custom approval chains
Audit Trails
Complete immutable logs of all actions, changes, and transactions for compliance reporting
- Immutable event logging
- Export for compliance
Transaction Policies
Set spending limits, whitelists, and custom rules to control transaction behavior
- Spending limits & velocity
- Address whitelisting
Deploy on your own infrastructure
Complete control over your private keys and data with self-hosted deployment
Self-Hosted
Deploy our MPC infrastructure within your own environment for complete control over your private keys and data.
KMS Integration
Integrate with cloud-based KMS signers to enhance the security of your MPC cluster setup
Reliable Backups
Encrypted, redundant backups safeguard your custody infrastructure against failures and data loss, meeting enterprise standards for business continuity (ISO 27001, SOC2)
Use Cases
Our platform provides all the tools developers need to create secure, scalable wallet solutions.
Cross chain treasury management
Manage digital assets across multiple blockchain networks from a single unified interface. No need to use different apps like Safe, Squads. Automate treasury operations and maintain complete visibility over your multi-chain portfolio.
Crypto Payment
Seamlessly integrate cryptocurrency payments into your applications with our simple API.
Trading agents with approval
Prevent unauthorized access or bad trades with multi-layer approval workflows. Ensure every automated trading action is reviewed and approved before execution, eliminating security risks.
Enhanced Security Controls
Centralized Exchange & Payment Integration
Automatically sweep and consolidate funds from multiple wallets into a central exchange wallet with customizable rules and schedules for efficient liquidity management.
Optimized for High-Volume Trading
Ready to get started?
Start building secure wallet solutions with confidence using our platform.
100+
Supported tokens
10+
Blockchain networks
<1hr
Response time
24/7
Enterprise support