v0.1.9

Release v0.1.9 — 2025-12-14

This release introduces enhanced role-based access control with the new Proposer role, improved withdrawal management with categories, comprehensive expense analytics, and advanced querying capabilities for workspace balances.

Included updates:

  • Apex Platform (v0.1.9)
  • Mpcium (v0.3.4)

New Features

Proposer Role

A new Proposer role has been added to the permission system. Users with the Proposer role can:

  • Submit withdrawal proposals and transaction requests
  • View pending approvals and transaction history
  • Cannot approve or cancel withdrawal requests
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This role is ideal for operational teams who need to initiate transactions while maintaining separation of duties for approval workflows.

Key benefits:

  • Enhanced security through role separation
  • Better compliance with internal controls
  • Reduced risk of unauthorized approvals
  • Clear audit trail for transaction proposals

Withdrawal Categories

Withdrawals now support custom categories, allowing better organization and tracking of fund movements.

Features:

  • Assign categories to withdrawals (e.g., "Operational", "Payroll", "Refunds")
  • Filter and search withdrawals by category
  • Include category information in CSV exports
  • Track expenses by category in the analytics dashboard
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This feature enables better financial reporting and helps teams understand cash flow patterns across different business functions.

Expense Dashboard

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A comprehensive Expense Analytics Dashboard provides real-time insights into workspace spending:

Overview Metrics:

  • Total volume with percentage change indicators
  • Total transaction count with trend analysis
  • Average transaction size calculation

Expense by Category:

  • Visual breakdown of expenses across categories
  • Donut chart showing category distribution
  • Percentage and dollar amount for each category

Monthly Breakdown:

  • Bar chart visualization of monthly expense trends
  • Comparison between operational and uncategorized expenses
  • Historical view of spending patterns

Top Transactions:

  • List of largest expense transactions
  • Detailed information including asset, wallet, amount, USD value, description, category, and timestamp
  • Quick identification of significant expenses

Get Balances by Symbol

New API endpoint to query workspace balances filtered by asset symbol. View full documentation →

Endpoint: GET /workspaces/{workspace_id}/balances?symbol=USDC

Features:

  • Query balances for a specific token across all networks
  • Consolidated view of asset distribution
  • Network-specific balance breakdown
  • Wallet count per network
  • Asset metadata including logos and network information

Use cases:

  • Quickly view total USDC holdings across all chains
  • Monitor specific token distributions
  • Aggregate balance reporting for accounting
  • Multi-chain asset reconciliation

Transaction CSV Export Enhancement

The transaction CSV export feature now includes the withdrawal_id field, enabling:

  • Easy correlation between transactions and withdrawal requests
  • Improved reconciliation workflows
  • Better audit trail for approved withdrawals
  • Enhanced financial reporting capabilities

CSV columns now include:

  • Transaction ID
  • Withdrawal ID (new)
  • Asset details
  • Amount and USD value
  • Wallet information
  • Category
  • Timestamp
  • Network information

MPCIUM v0.3.4

GitHub: fystack/mpcium

Child Key Derivation Support

MPCIUM now supports child key derivation for both ECDSA and EdDSA signature schemes, enabling hierarchical deterministic (HD) wallet functionality in distributed MPC environments.

Key enhancements:

  • ECDSA child key derivation — Full support for BIP32-style key derivation for Bitcoin, Ethereum, and EVM-compatible chains
  • EdDSA child key derivation — Extended key derivation support for Solana, Cardano, and other EdDSA-based networks
  • HD wallet compatibility — Derive multiple keys from a single master key across distributed MPC nodes
  • Deterministic key generation — Recreate child keys from derivation paths without exposing parent keys

Benefits:

  • Simplified key management for multi-chain wallets
  • Enhanced privacy through address rotation
  • Secure key derivation without centralizing trust

Use cases:

  • Generating unique deposit addresses for users
  • Multi-account wallet structures

Summary

Apex v0.1.9 delivers significant improvements in access control, financial operations, and analytics:

  • Enhanced governance with the new Proposer role for better separation of duties
  • Improved expense tracking through withdrawal categories and analytics dashboard
  • Better reporting with categorized expenses and withdrawal IDs in CSV exports
  • Advanced querying with symbol-based balance lookups across networks
  • MPCIUM enhancements enabling HD wallet support for ECDSA and EdDSA

These features strengthen Fystack's position as a comprehensive digital asset custody and management platform, with improved controls, visibility, and operational efficiency.